Address review comments

Author: kovdan01

clang/lib/Basic/Targets/ARM.cpp

@@ -324,9 +324,6 @@ ARMTargetInfo::ARMTargetInfo(const llvm::Triple &Triple,
     case llvm::Triple::GNU:
       setABI("apcs-gnu");
       break;
-    case llvm::Triple::PAuthTest:
-      setABI("pauthtest");
-      break;
     default:
       if (IsNetBSD)
         setABI("apcs-gnu");

llvm/lib/TargetParser/ARMTargetParser.cpp

@@ -562,8 +562,6 @@ StringRef ARM::computeDefaultTargetABI(const Triple &TT, StringRef CPU) {
   case Triple::EABIHF:
   case Triple::EABI:
     return "aapcs";
-  case Triple::PAuthTest:
-    return "pauthtest";
   default:
     if (TT.isOSNetBSD())
       return "apcs-gnu";