Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; Clang edition.

llvm-svn: 229339
diff --git a/clang/lib/CodeGen/CGBuilder.h b/clang/lib/CodeGen/CGBuilder.h
index 72ba4fa..6610659 100644
--- a/clang/lib/CodeGen/CGBuilder.h
+++ b/clang/lib/CodeGen/CGBuilder.h
@@ -33,7 +33,7 @@
                     llvm::BasicBlock *BB,
                     llvm::BasicBlock::iterator InsertPt) const;
 private:
-  void operator=(const CGBuilderInserter &) LLVM_DELETED_FUNCTION;
+  void operator=(const CGBuilderInserter &) = delete;
 
   CodeGenFunction *CGF;
 };