Revert "Try sth a bit more sophisticated"

This reverts commit 6d0f3b4da11fada94103e01e7436668ccf5af5b2.

Author: franzpoeschel

include/picongpu/CMakeLists.txt

@@ -599,10 +599,6 @@ foreach(target picongpu picongpu-hostonly)
     # Workaround for this bug https://github.com/nlohmann/json/issues/3907
     # We don't need ranges in <nlohmann/json.hpp>
     target_compile_definitions(${target} PRIVATE JSON_HAS_RANGES=0)
-
-    # Automatic detection of std::source_location availability fails
-    # on Clang 12 through 14
-    target_compile_definitions(${target} PRIVATE TOML11_DISABLE_SOURCE_LOCATION)
 endforeach()
 
 ## annotate with RPATH's

thirdParty/toml11/include/toml11/compat.hpp

@@ -448,13 +448,13 @@ using void_t = void;
 // ----------------------------------------------------------------------------
 // (subset of) source_location
 
-#if ! defined(TOML11_DISABLE_SOURCE_LOCATION) && TOML11_CPLUSPLUS_STANDARD_VERSION >= 202002L
+#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 202002L
 #  if __has_include(<source_location>)
 #    define TOML11_HAS_STD_SOURCE_LOCATION
 #  endif // has_include
 #endif // c++20
 
-#if ! defined(TOML11_DISABLE_SOURCE_LOCATION) && ! defined(TOML11_HAS_STD_SOURCE_LOCATION)
+#if ! defined(TOML11_HAS_STD_SOURCE_LOCATION)
 #  if defined(__GNUC__) && ! defined(__clang__)
 #    if TOML11_CPLUSPLUS_STANDARD_VERSION >= TOML11_CXX14_VALUE
 #      if __has_include(<experimental/source_location>)
@@ -464,7 +464,7 @@ using void_t = void;
 #  endif // GNU g++
 #endif // not TOML11_HAS_STD_SOURCE_LOCATION
 
-#if ! defined(TOML11_DISABLE_SOURCE_LOCATION) && ! defined(TOML11_HAS_STD_SOURCE_LOCATION) && ! defined(TOML11_HAS_EXPERIMENTAL_SOURCE_LOCATION)
+#if ! defined(TOML11_HAS_STD_SOURCE_LOCATION) && ! defined(TOML11_HAS_EXPERIMENTAL_SOURCE_LOCATION)
 #  if defined(__GNUC__) && ! defined(__clang__)
 #    if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))
 #      define TOML11_HAS_BUILTIN_FILE_LINE 1