Revert icon changes

[maciaszczykm]

Reverts icon changes. Connected to #529.

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This change is

[codecov-io]

Current coverage is 85.99%

Merging #530 into master will not affect coverage as of 8c641c2

@@            master    #530   diff @@
======================================
  Files           95      95       
  Stmts          814     814       
  Branches         0       0       
  Methods          0       0       
======================================
  Hit            700     700       
  Partial          0       0       
  Missed         114     114       

Review entire Coverage Diff as of 8c641c2

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[floreks]

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Reviewed 2 of 2 files at r1.
Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from the review on Reviewable.io