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/e9a337d86bee
Author: Mason Chang <mchang@mozilla.com>
Desc: Revert "Merge pull request #16126 from changm/bug968311"

This reverts commit 32b7cf41d72e8d636fa84e768f2821407316b299.