Bumping gaia.json for 1 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/9b943110e4c1
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Revert "Merge pull request #11869 from mcav/imap-parsing-bug-901926"

This reverts commit a7941018788645f658011b623068ef9904d7f1b4, reversing
changes made to 216961d4f3705ebc6e49a6a8d20fae82534cfeb2.