Revert "[LinkerWrapper] Add 'Freestanding' config to the LTO pass" (#75528)

This reverts commit 47d9fbc.

It creates a segmentation falt on SPEChpc soma on Frontier on a GPU for
the kernel generate_new_beads

Co-authored-by: fel-cab <[email protected]>

Author: fel-cab

clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp

@@ -526,7 +526,6 @@ std::unique_ptr<lto::LTO> createLTO(
 
   Conf.CPU = Arch.str();
   Conf.Options = codegen::InitTargetOptionsFromCodeGenFlags(Triple);
-  Conf.Freestanding = true;
 
   StringRef OptLevel = Args.getLastArgValue(OPT_opt_level, "O2");
   Conf.MAttrs = Features;