lookup: remove gulp-util

[MikeMcC399]

• relates to Archived (unsupported) packages - JSONStream, leveldown & q etc. #1113

Situation

gulp-util was deprecated almost 10 years ago and is unsupported since 2022. The repo is archived. No issues can be reported and there can be no fixes released. It should no longer be used, not even by citgm.

Item	Status
npm package	https://www.npmjs.com/package/gulp-util
npm status	deprecated
last published	3.0.8 Dec 27, 2016
repo location	https://github.com/gulpjs/gulp-util
repo status	archived on Sept 1, 2022
lookup maintainer(s)	contra

Author message:

gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5

The author message refers to the blog post The Problem with gulp-util from Dec 27, 2017.

Change

Remove gulp-util from lib/lookup.json

Checklist

• npm test passes
• contribution guidelines followed
  here

cc: @contra

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.20%. Comparing base (4d3d256) to head (b9c3dda).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1152   +/-   ##
=======================================
  Coverage   96.20%   96.20%           
=======================================
  Files          29       29           
  Lines        2213     2213           
=======================================
  Hits         2129     2129           
  Misses         84       84           

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