Remove unused override of CompilerInvocation::setLangDefaults().



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160051 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/CompilerInvocation.h b/include/clang/Frontend/CompilerInvocation.h
index fc3ab10..d6fe003 100644
--- a/include/clang/Frontend/CompilerInvocation.h
+++ b/include/clang/Frontend/CompilerInvocation.h
@@ -132,16 +132,6 @@
   void toArgs(std::vector<std::string> &Res) const;
 
   /// \brief Set language defaults for the given input language and
-  /// language standard in this CompilerInvocation.
-  ///
-  /// \param IK - The input language.
-  /// \param LangStd - The input language standard.
-  void setLangDefaults(InputKind IK,
-                  LangStandard::Kind LangStd = LangStandard::lang_unspecified) {
-    setLangDefaults(*getLangOpts(), IK, LangStd);
-  }
-
-  /// \brief Set language defaults for the given input language and
   /// language standard in the given LangOptions object.
   ///
   /// \param Opts - The LangOptions object to set up.