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

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https://hg.mozilla.org/integration/gaia-central/rev/663f7dea553f
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 1022052 - Add setting to disable searching remote provider. r=kgrandon, r=evelyn"

This reverts commit a2d86297720313140f42f78039609757ec3ed200.
Bumping manifests a=b2g-bump