message: Remove a comment-out import and a comment-out piece of code
diff: * @author Panagiotis Tourlas <panagiot_tourlov@hotmail.com>
  * @author Koya Sakuma <koya.sakuma.work@gmail.com>
  */
  -// import * as Q from 'parsimmon';
  +
  import * as P from '../../mol-util/monadic-parser';
  import { MolScriptBuilder } from '../../mol-script/language/builder';
  const B = MolScriptBuilder;
  @@ -140,7 +140,6 @@ export function prefixOp(re: RegExp, group: number = 0) {
  }
  export function prefixOpNoWhiteSpace(re: RegExp, group: number = 0) {
  - // return P.MonadicParser.regexp(re, group).skip(P.MonadicParser.regexp(/\s*/));
  return P.MonadicParser.regexp(re, group).skip(P.MonadicParser.regexp(/\s*/));
  }
  