Bumping gaia.json for 1 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/c587e5d68f77
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Revert "Merge pull request #15808 from pmclanahan/send-language-to-basket-964342"

This reverts commit 22239db3cac45568b07a84a12a15a3a5b31cabc3.