fix(wasm): remove C++ mangled symbols

No more upstream scanners use C++ so we're going to encourage to prefer
using C instead. It is just much easier to work with overall

lib/src/wasm/stdlib-symbols.txt

@@ -1,17 +1,3 @@
-"_ZNKSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4copyEPcmm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE17__assign_externalEPKcm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE17__assign_no_aliasILb0EEERS5_PKcm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE17__assign_no_aliasILb1EEERS5_PKcm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE25__init_copy_ctor_externalEPKcm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE6__initEPKcm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc",
-"_ZNSt3__212basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED2Ev",
-"_ZNSt3__212basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw",
-"_ZNSt3__212basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEED2Ev",
-"_ZdlPv",
-"_Znwm",
 "calloc",
 "free",
 "iswalnum",