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/ScriptInterpreterPython.cpp

@@ -609,8 +609,6 @@ ScriptInterpreterPythonImpl::CreateInstance(Debugger &debugger) {
   return std::make_shared<ScriptInterpreterPythonImpl>(debugger);
 }
 
-void ScriptInterpreterPythonImpl::ResetOutputFileHandle(FILE *fh) {}
-
 void ScriptInterpreterPythonImpl::LeaveSession() {
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT));
   if (log)