Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/3d51279dbc0d
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Revert "Merge pull request #16423 from nullaus/bug966027"

This reverts commit e631e7707a25af6310674f325131569cda61de6e, reversing
changes made to 34c45c7405ffd4846a49af4ba4927042008ef5e1.

Conflicts:
	apps/homescreen/everything.me/js/everything.me.js
Bumping manifests a=b2g-bump