message: Remove dead declaration
  Stumbled upon this while I was reading code
diff: @@ -1970,7 +1970,6 @@ private:
  SmallVectorImpl<CFGValue *> &values);
  ParseResult parseBasicBlock();
  - OperationInst *parseCFGOperation();
  TerminatorInst *parseTerminator();
  };
  } // end anonymous namespace
  