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/0a78064799ae
Author: Julien Wajsberg <felash@gmail.com>
Desc: Revert "Merge pull request #15035 from timdream/keyboard-remove-ime"

This reverts commit c3b12321f4a6a3a63d686624f084ae0930c82c33.