remove Cookies class from global space

app/assets/javascripts/activities.js

app/assets/javascripts/awards_handler.js

...assets/javascripts/boards/components/board_blank_state.js

app/assets/javascripts/boards/stores/boards_store.js

...ets/javascripts/cycle_analytics/cycle_analytics_bundle.js

...ts/javascripts/diff_notes/components/diff_note_avatars.js

app/assets/javascripts/issuable_context.js

app/assets/javascripts/main.js

...ssets/javascripts/merge_conflicts/merge_conflict_store.js

app/assets/javascripts/merge_request_tabs.js

app/assets/javascripts/notes.js

app/assets/javascripts/project.js

app/assets/javascripts/right_sidebar.js

app/assets/javascripts/user.js

app/assets/javascripts/user_callout.js

spec/javascripts/boards/boards_store_spec.js

spec/javascripts/test_bundle.js

spec/javascripts/user_callout_spec.js

vendor/assets/javascripts/js.cookie.js