Removing polyfills

[msmakouz]

Q	A
Bugfix?	❌
Breaks BC?	❌
New feature?	❌

[codecov]

Codecov Report

Merging #681 (38d9c3a) into 3.0 (1ca0ee8) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.0     #681      +/-   ##
============================================
+ Coverage     82.06%   82.08%   +0.02%     
  Complexity     5492     5492              
============================================
  Files           623      622       -1     
  Lines         13755    13751       -4     
============================================
  Hits          11288    11288              
+ Misses         2467     2463       -4     

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