Delete dead code. NFC.

llvm-svn: 274020
diff --git a/llvm/lib/Target/Mips/Mips.h b/llvm/lib/Target/Mips/Mips.h
index 639e189..d9faf33 100644
--- a/llvm/lib/Target/Mips/Mips.h
+++ b/llvm/lib/Target/Mips/Mips.h
@@ -31,7 +31,7 @@
   FunctionPass *createMipsDelaySlotFillerPass(MipsTargetMachine &TM);
   FunctionPass *createMipsHazardSchedule();
   FunctionPass *createMipsLongBranchPass(MipsTargetMachine &TM);
-  FunctionPass *createMipsConstantIslandPass(MipsTargetMachine &tm);
+  FunctionPass *createMipsConstantIslandPass();
 } // end namespace llvm;
 
 #endif