Remove what little AIX support we have.  It has never been tested and isn't
complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29156 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 0bc9e7e..12c22e7 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -146,12 +146,7 @@
   // Must run branch selection immediately preceding the asm printer
   PM.add(createPPCBranchSelectionPass());
 
-  // Decide which asm printer to use.  If the user has not specified one on
-  // the command line, choose whichever one matches the default (current host).
-  if (Subtarget.isAIX())
-    PM.add(createAIXAsmPrinter(Out, *this));
-  else
-    PM.add(createDarwinAsmPrinter(Out, *this));
+  PM.add(createDarwinAsmPrinter(Out, *this));
 
   PM.add(createMachineCodeDeleter());
   return false;