Merge #203: cmake: Port PR29494 from the master branch

ecd3894 fixup! cmake: Add `config/bitcoin-config.h` support (Hennadii Stepanov)

Pull request description:

  This PR ports bitcoin#29494 after the recent sync/rebase [PR](#202).

Top commit has no ACKs.

Tree-SHA512: e2a7f7132dfdb5653878d33c37675410b313097207bee090f82ed817448ed1a2eb48c146818af4d288eb5ff3d51fd64db561e5d3fe8eec433e8ff6f0812c0469

src/CMakeLists.txt

@@ -6,7 +6,6 @@ include(GNUInstallDirs)
 include(AddWindowsResources)
 
 configure_file(${CMAKE_SOURCE_DIR}/cmake/bitcoin-config.h.in config/bitcoin-config.h @ONLY)
-add_compile_definitions(HAVE_CONFIG_H)
 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
 
 # After the transition from Autotools to CMake, the obj/ subdirectory