Fix up some internal dependences.

[mhammond]

Takes the easy bits of #6129

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Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.74%. Comparing base (bfe363c) to head (8e162f7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6412      +/-   ##
==========================================
+ Coverage   49.30%   52.74%   +3.43%     
==========================================
  Files         146      125      -21     
  Lines       13708    12815     -893     
==========================================
  Hits         6759     6759              
+ Misses       6949     6056     -893     

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[mhammond]

this was from Tarik - @bendk, do you know whether this is actually safe to remove when considering desktop?

[bendk]

I think so? I don't see that when I search in searchfox.

[mhammond]

Thanks - I hope you mean does look safe to remove, so I'll mark this as ready

[linabutler]

I went spelunking, and it looks like Thom added this way back in #937, as a check to ensure that we never included the Reqwest backend in our (then-Android only) Megazords—and which Ed removed in #3191.