Revert "Merge pull request #15808 from pmclanahan/send-language-to-basket-964342"

This reverts commit 22239db3cac45568b07a84a12a15a3a5b31cabc3.
Merge pull request #16131 from gabrielesvelto/bug-917193-tones-glitch-workaround

Bug 917193 - Use samples instead of waveform generators for short audible tones
(cherry picked from commit 3c2e748e4d57551527366eba00428a0f5ccc4012)
Xfail test_cost_control_data_alert_mobile.py because of Bug 971696 - [v1.3][Cost Control] No data usage is available in notification bar or app
Merge pull request #16246 from chirarobert/v1.3_xfail_cost_control

Xfail test_cost_control_data_alert_mobile.py because of Bug 971696 - [v1...
Bug 968049 - Don't try to reload a null URL when reviving crashed tabs
Merge pull request #14918 from EverythingMe/941637-eme-aria

Bug 941637 - App icons don't have alt text so screen readers can't read ...
Merge pull request #15360 from rnowm/951130

Bug 951130 - Contacts Export view is visually incorrect
Merge branch 'v1.3' into v1.3t