[PWGEM/Dilepton] remove unused configurable variables

[dsekihat]

[PWGEM/Dilepton] remove unused configurable variables

[github-actions]

O2 linter results: ❌ 960 errors, ⚠️ 1185 warnings, 🔕 0 disabled

[alibuild]

Auto-approving on behalf of @dsekihat.

[alibuild]

Error while checking build/O2Physics/code-check for 36af7c2 at 2026-07-14 13:46:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 145 errors and 4 warnings.'
Found 145 errors and 4 warnings.
++ [[ 145 -gt 0 ]]
++ cat /sw/BUILD/0dbfae21fb0b4ef2c618ad74cf00f31b394f2d2a/O2Physics-code-check/errors.txt
PWGEM/Dilepton/Core/DileptonMC.h:82:10: error: inclusion of deprecated C++ header 'math.h'; consider using 'cmath' instead [modernize-deprecated-headers,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:108:8: error: constructor does not initialize these fields: ccdb, mRunNumber, d_bz [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:335:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:336:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:337:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:359:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:361:3: error: use '= default' to define a trivial destructor [modernize-use-equals-default,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:451:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:452:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:454:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:455:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:457:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:458:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:517:32: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:667:39: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:668:43: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:821:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:835:38: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:843:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:850:38: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:858:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:865:38: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:907:14: error: redundant boolean literal in conditional return statement [readability-simplify-boolean-expr,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:908:7: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:1413:7: error: if with identical then and else branches [bugprone-branch-clone,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2066:7: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2114:7: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2166:7: error: if with identical then and else branches [bugprone-branch-clone,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2190:105: error: repeated branch body in conditional chain [bugprone-branch-clone,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2211:13: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2471:9: error: switch has 4 consecutive identical branches [bugprone-branch-clone,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2495:7: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonMC.h:2635:7: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:86:10: error: inclusion of deprecated C++ header 'math.h'; consider using 'cmath' instead [modernize-deprecated-headers,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:112:8: error: constructor does not initialize these fields: ccdb [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:368:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:369:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:370:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:392:20: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:394:3: error: use '= default' to define a trivial destructor [modernize-use-equals-default,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:490:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGEM/Dilepton/Core/DileptonSVMC.h:491:22: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
[0 more errors; see full log]

Full log here.