message: [Interpreter] Remove unused variable usage. NFCI.
diff: @@ -227,8 +227,7 @@ OptionValueDictionary::GetSubValue(const ExecutionContext *exe_ctx,
  }
  assert(!temp.empty());
  - llvm::StringRef key, value;
  - llvm::StringRef quote_char;
  + llvm::StringRef key, quote_char;
  if (temp[0] == '\"' || temp[0] == '\'') {
  quote_char = temp.take_front();
  