Revert r238190 and r238197: [mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.

This broke the llvm-mips-linux builder and several of our out-of-tree builders.
Initial investigations show that the commit probably isn't the problem but
reverting anyway while I investigate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238302 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCObjectFileInfo.h

@@ -188,8 +188,6 @@ protected:
   MCSection *XDataSection;
 
 public:
-  virtual ~MCObjectFileInfo() { };
-
   void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM,
                             MCContext &ctx);
 
@@ -354,8 +352,6 @@ private:
   ///
   void InitEHFrameSection();
 
-  virtual unsigned SelectMipsTTypeEncoding() const;
-
 public:
   const Triple &getTargetTriple() const { return TT; }
 };