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

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https://hg.mozilla.org/integration/gaia-central/rev/9cc2a81126ab
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Revert "Merge pull request #17020 from jmcanterafonseca/vivien_search"

This reverts commit 2ac4603e3269c5d410869a76c13a25bdb6a79241, reversing
changes made to 8280f6749b8183e4bc52ce84affca310858e86d2.
Bumping manifests a=b2g-bump