[PowerPC] Remove unused parameter

The isDarwin parameter to the llvm::LowerPPCMachineInstrToMCInst
routine is now no longer needed; remove it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184441 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPC.h b/lib/Target/PowerPC/PPC.h
index 2e79610..bcad94f 100644
--- a/lib/Target/PowerPC/PPC.h
+++ b/lib/Target/PowerPC/PPC.h
@@ -40,7 +40,7 @@
   FunctionPass *createPPCJITCodeEmitterPass(PPCTargetMachine &TM,
                                             JITCodeEmitter &MCE);
   void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
-                                    AsmPrinter &AP, bool isDarwin);
+                                    AsmPrinter &AP);
 
   /// \brief Creates an PPC-specific Target Transformation Info pass.
   ImmutablePass *createPPCTargetTransformInfoPass(const PPCTargetMachine *TM);