replace deprecated plugin stubs with list

[msimerson]

Changes proposed in this pull request:

• plugins.js: create a plugins.deprecated list
• populate list and remove deprecated plugins/* stubs

Checklist:

• Changes updated

[codecov]

Codecov Report

Merging #2681 into master will decrease coverage by <.01%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #2681      +/-   ##
==========================================
- Coverage   59.82%   59.81%   -0.01%     
==========================================
  Files          29       29              
  Lines        6389     6393       +4     
  Branches     1587     1588       +1     
==========================================
+ Hits         3822     3824       +2     
- Misses       2567     2569       +2

Impacted Files	Coverage Δ
plugins.js	77.14% <66.66%> (-0.35%)	⬇️

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