CB-12016: (all) Removed cordova-registry-mapper dependency

[erisu]

Platforms affected

all

What does this PR do?

Remove a forgotten dead dependency.

Ticket CB-12016 was to remove this dependency and had been resolved but appears cordova-common was forgotten.

What testing has been done on this change?

Tested adding plugins with old and new package name.

Checklist

• Reported an issue in the JIRA database
• Commit message follows the format: "CB-3232: (android) Fix bug with resolving file paths", where CB-xxxx is the JIRA ID & "android" is the platform affected.
• Added automated test coverage as appropriate for this change.

[brodybits]

❤️ hope it doesn't break anything, no time to check this week unfortunately.

Any comments from @raphinesse or @dpogue?

[codecov-io]

Codecov Report

Merging #33 into master will increase coverage by 0.27%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master     #33      +/-   ##
=========================================
+ Coverage   85.62%   85.9%   +0.27%     
=========================================
  Files          19      19              
  Lines        1746    1738       -8     
  Branches      367     361       -6     
=========================================
- Hits         1495    1493       -2     
+ Misses        251     245       -6

Impacted Files	Coverage Δ
src/PlatformJson.js	82.35% <0%> (+4.17%)	⬆️

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[dpogue]

👍