Remove Workaround for Postal Addresses Containing Commas

[zlajo]

It seems like the base issue #386 on ical.js has been fixed. Because of that the workaround should be removed as well.

[codecov]

Codecov Report

Merging #2000 (0a4e98c) into master (e7dfd07) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             master   #2000   +/-   ##
========================================
  Coverage      0.00%   0.00%           
  Complexity      249     249           
========================================
  Files            22      22           
  Lines           738     738           
========================================
  Misses          738     738           

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