Revert "Merge pull request #20730 from lightsofapollo/l10n-collections-shared" for Gaia-unit failures

This reverts commit a74ed1e3f982633950c2f93bbb46e71be6399da6, reversing
changes made to a07855aedfe8fba42dac3c8506549870c89432c7.
Merge branch 'master' of https://github.com/mozilla-b2g/gaia
Bug 1018708 - Collection localizations for homescreen + add localizations to shared r=kgrandon
Bug 1019418 - Correctly localize the firefox accounts system app. r=ferjm

    Because the individual panels are dynamically loaded, we needed to
    manually call mozL10n.translate(panelElement) as part of the panel
    loading process.

    Other updates:
    * Remove data-l10n-ids from elements that are manually translated
    * Localize the correct element in enter password screen.
    * Remove out-of-date references to user email in refreshAuth screen.
    * Remove user email placeholder from refreshAuth template.
Merge pull request #20773 from KevinGrandon/bug_1018708_reland

Bug 1018708 - Collection localizations for homescreen + add localizations to shared
Merge pull request #20638 from 6a68/bug-1019418-fxa-system-l10n

Bug 1019418 - Localize the FxA system app code
Bug 1025963 - [Collection app] Pinned apps edit mode
Add marionette test