[AMDGPU] Remove duplicate initialization of SIDebuggerInsertNops pass

Differential Revision: https://reviews.llvm.org/D23556

llvm-svn: 278863

Author: kzhuravl

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -76,7 +76,6 @@ extern "C" void LLVMInitializeAMDGPUTarget() {
   initializeAMDGPUPromoteAllocaPass(*PR);
   initializeAMDGPUCodeGenPreparePass(*PR);
   initializeSIAnnotateControlFlowPass(*PR);
-  initializeSIDebuggerInsertNopsPass(*PR);
   initializeSIInsertWaitsPass(*PR);
   initializeSIWholeQuadModePass(*PR);
   initializeSILowerControlFlowPass(*PR);