disable loading emmet from other domain

[whazor]

Description of changes:

We don't want to load dependencies from other domains (including our own). In this case, the cloud9ide repo marked as archived so this dependency is not updated.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.02%. Comparing base (e56cc9c) to head (2eadd7a).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5704   +/-   ##
=======================================
  Coverage   87.02%   87.02%           
=======================================
  Files         598      598           
  Lines       43593    43593           
  Branches     7163     7163           
=======================================
  Hits        37936    37936           
  Misses       5657     5657           

Flag	Coverage Δ
unittests	87.02% <ø> (ø)

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