PrintAsObjC Test: Don't use -fobjc-arc when targeting the C language

Author: xymus

test/PrintAsObjC/cdecl-official.swift

@@ -14,7 +14,7 @@
 // RUN: %check-in-clang-cxx %t/cdecl.h
 
 /// Build a client against cdecl.h
-// RUN: %clang -c %t/Client.c -fobjc-arc -fmodules -I %t \
+// RUN: %clang -c %t/Client.c -fmodules -I %t \
 // RUN:   -F %S/../Inputs/clang-importer-sdk-path/frameworks \
 // RUN:   -I %clang-include-dir -Werror \
 // RUN:   -isysroot %S/../Inputs/clang-importer-sdk

test/PrintAsObjC/lit.local.cfg

@@ -11,7 +11,7 @@ config.substitutions.insert(0, ('%check-in-clang',
   '-isysroot %r/Inputs/clang-importer-sdk' % config.test_source_root) )
 
 config.substitutions.insert(0, ('%check-in-clang-c',
-  '%%clang -fsyntax-only -x c-header -std=c99 -fobjc-arc -fmodules '
+  '%%clang -fsyntax-only -x c-header -std=c99 -fmodules '
   '-fmodules-validate-system-headers '
   '-Weverything -Werror -Wno-unused-macros -Wno-incomplete-module '
   '-Wno-auto-import '