Revert r283572 - [Driver] Make -print-libgcc-file-name print compiler-rt lib when used

Revert the -print-libgcc-file-name change as the new test fails
on Darwin. It needs to be updated to run the libgcc part only on systems
supporting that rtlib.

llvm-svn: 283586
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index fd0bcfb..f26d61f 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -994,15 +994,7 @@
   }
 
   if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
-    ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(C.getArgs());
-    switch (RLT) {
-    case ToolChain::RLT_CompilerRT:
-      llvm::outs() << TC.getCompilerRTArgString(C.getArgs(), "builtins") << "\n";
-      break;
-    case ToolChain::RLT_Libgcc:
-      llvm::outs() << GetFilePath("libgcc.a", TC) << "\n";
-      break;
-    }
+    llvm::outs() << GetFilePath("libgcc.a", TC) << "\n";
     return false;
   }