Update uk.coffee

ukrainian localization
Additional fix on #831 - remove additional call to fetch as constructor of SimulatorsLeaderboardData does fetch, remove commented code
Merge pull request #837 from dpen2000/FixesTo831

Additional fix on #831
Translate some items under 'common','versions'  and 'editor'.
Merge pull request #840 from julycoolwind/patch-2

Translate some items under 'common','versions'  and 'editor'.
Propagated new i18n tags.
Fixed #769. Added some analytics timing tracking. Added replacement for $.browser.
Update uk.coffee

Ukrainian localization
Merged conflicts and fixed line endings windows => unix
Simulation leaderboard aggregation framework and local fixes
Fixed isRanking and reduced logging
Merge pull request #844 from codecombat/master

Master into production