Set version to 73.0.2.

Set version to 73.0.1.

Issue mozilla-mobile#9746: (Merge day) browser-engine-gecko-nightly -…

…> 88

Set version to 72.0.16.

Set version to 72.0.15.

72.0.14 with GV Release 86.0.20210215141125 (mozilla-mobile#9703)

* 72.0.14 with GV Release 86.0.20210215141125

* updated PR following https://mozac.org/contributing/merge-day#beta---release

* remove erroneous 'git st'  file

Set version to 72.0.13.

Set version to 72.0.12.

Set version to 72.0.11.

Set version to 72.0.10.