Revert "[AMDGPU] Enable AMDGPUAttributorPass in full LTO (llvm#102673)"

This reverts commit dab6a0d.

Change-Id: If294e28c78060369aa3ee49f68b41494ea7a79fa

Author: bcahoon

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -438,11 +438,6 @@ static cl::opt<bool> EnableHipStdPar(
   cl::desc("Enable HIP Standard Parallelism Offload support"), cl::init(false),
   cl::Hidden);
 
-static cl::opt<bool>
-    EnableAMDGPUAttributor("amdgpu-attributor-enable",
-                           cl::desc("Enable AMDGPUAttributorPass"),
-                           cl::init(true), cl::Hidden);
-
 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAMDGPUTarget() {
   // Register the target
   RegisterTargetMachine<R600TargetMachine> X(getTheR600Target());
@@ -816,8 +811,6 @@ void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
         // module is partitioned for codegen.
         if (EnableLowerModuleLDS)
           PM.addPass(AMDGPULowerModuleLDSPass(*this));
-        if (EnableAMDGPUAttributor && Level != OptimizationLevel::O0)
-          PM.addPass(AMDGPUAttributorPass(*this));
       });
 
   PB.registerRegClassFilterParsingCallback(