Revert "Bug 986329 - Fix test_settings_XXX.py with JavascriptException: TypeError: window.wrappedJSObject.Settings is undefined"

This reverts commit fab38c4384733c3eed51ceaec2787c7d5962dcd3.
Bug 986329 - Fix test_settings_XXX.py with JavascriptException: TypeError: window.wrappedJSObject.Settings is undefined
Bug 975535 - [VsD Refresh] Update App Icons in Homescreen & Settings/App Permissions
Bug 988399 - [B2G][Contacts] Contacts birthday set to January first incorrectly shows previous year
Bug 987283 -usage app cold_load_launch regressed 300ms Mar 22
Bug 975535 - E.me followups [r=ranbena]
Bug 969525 - Wrong message exporting contacts with USBStorage enabled

Fixed:
- Rewrite updateStorageOptions function for better readability
- Got rid of Settings dependency
- Tests added for export, fixed for import
Bug 971553 - [System2] Instantiable SoftwareButtonManager r=alive
Bug 989065 - [System] Fix wifi_test.js when run in its own sandbox
Bug 989104 - [email] allow for longer module load timeouts for background loads
Bug 988519 - [Camera] Improve localization
Bug 985680 - [Camera][Mozilla][UX] 1.4 Video record active button style not to spec
Bug 984800 - [MADAI][Contacts] @2.25x assets update for Contacts
Merge pull request #17627 from gitmai/bug-987283-CC-300ms-cold-load-launch

Bug 987283 -usage app cold_load_launch regressed 300ms Mar 22
r=salva
Merge pull request #16732 from samjoch/bug-975535-vsd-refresh-update-app-icons-in-homescreen-settings-app-permissions

Bug 975535 - [VsD Refresh] Update App Icons in Homescreen & Settings/App permissions [r=ranbena,crdlc]
Merge pull request #17723 from wilsonpage/bug/988519

Bug 988519 - [Camera] Improve localization
Merge pull request #17719 from wilsonpage/bug/985680

Bug 985680 - [Camera][Mozilla][UX] 1.4 Video record active button style not to spec
Merge pull request #17657 from fcampo/969525-sd-usb-export

Bug 969525 - Wrong message exporting contacts with USBStorage enabled (r=jmcf)
Bug 972137 - [Camera] 1.4 Visual Design Settings Menu
Merge pull request #17725 from wilsonpage/bug/972137

Bug 972137 - [Camera] 1.4 Visual Design Settings Menu