remove unused method ResetOutputFileHandle()

ResetOutputFileHandle() isn't being used by anything. Also it's using
FILE*, which is something we should be doing less of. Remove it.

Patch by: Lawrence D'Anna

Differential revision: https://reviews.llvm.org/D68001

llvm-svn: 372800

lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPythonImpl.h

@@ -254,8 +254,6 @@ public:
   void SetWatchpointCommandCallback(WatchpointOptions *wp_options,
                                     const char *oneliner) override;
 
-  void ResetOutputFileHandle(FILE *new_fh) override;
-
   const char *GetDictionaryName() { return m_dictionary_name.c_str(); }
 
   PyThreadState *GetThreadState() { return m_command_thread_state; }