Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/00aa750a9b35
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Revert "Merge pull request #21515 from weigao123/Bug980217-master"

This reverts commit 041c794bdce3a81767d1c60e776227f5c4d42651.

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https://hg.mozilla.org/integration/gaia-2_0/rev/ec7a3886f1b2
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Revert "Bug 980217 - Remove extra line leftover from rebasing. a=bustage"

This reverts commit 6ccd97a605e7f4ccad2fa92ac9575b35028e07a7.
Bumping manifests a=b2g-bump