Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/bf280b3deb7c
Author: John Ford <john@johnford.info>
Desc: Revert "Merge pull request #11751 from rexboy7/fix-bug900838"

This reverts commit 92d9a334d52514ac521ac0bb39add28e373bcc33, reversing
changes made to 92b79a2dfe09d950e3789247a21e13083116ec0a.

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https://hg.mozilla.org/integration/gaia-central/rev/d6b4cbb6b00f
Author: Mike Pennisi <mike@mikepennisi.com>
Desc: Bug 910722 - JavaScript linting rules are too strict

r=rik