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

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https://hg.mozilla.org/integration/gaia-central/rev/35f56863ceb5
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 107272 - Truncated STK with soft-button"

This reverts commit 5837b4acd4a0d4639e8ff0abcbec60822d89edf0.

Please see bug 1072728. Reverting due to incorrect bug number.
Bumping manifests a=b2g-bump