Remove doc check under maintainer mode

Author: zurex

CMakeLists.txt

@@ -603,14 +603,6 @@ if(OTELCPP_MAINTAINER_MODE)
     add_compile_options(-Werror)
     add_compile_options(-Wextra)
 
-    # Check if the compiler supports -Wdocumentation
-    include(CheckCXXCompilerFlag)
-    check_cxx_compiler_flag("-Wdocumentation" CLANG_SUPPORTS_DOCUMENTATION)
-    if(CLANG_SUPPORTS_DOCUMENTATION)
-      message(STATUS "Adding -Wdocumentation flag for Clang")
-      add_compile_options(-Wdocumentation)
-    endif()
-
     # Tested with Clang 11.0 on github.
     if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11.0)
       message(STATUS "Building with additional warnings for clang.")