Drop feather dependency

[rush42]

This PR closes #729 and uses local files instead of the ones from the react-feather package

How Has This Been Tested?

Not yet.

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works

[codecov]

Codecov Report

Merging #987 (34fe0e2) into develop (f5f3df1) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #987   +/-   ##
========================================
  Coverage    36.43%   36.43%           
========================================
  Files          500      500           
  Lines         9446     9446           
  Branches      1948     1948           
========================================
  Hits          3442     3442           
  Misses        5718     5718           
  Partials       286      286           

Flag	Coverage Δ
unittests	36.43% <ø> (ø)

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Impacted Files	Coverage Δ
.../Reports/pages/OverviewMap/components/CTAButton.js	0.00% <ø> (ø)
...ubmitReport/components/LocateMeMap/StaticMarker.js	0.00% <ø> (ø)

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[ohrie]

I would prefer putting the icons directly into the component folders, since they are not used in other components