Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/4232a66bb66f
Author: lissyx <lissyx+github@lissyx.dyndns.org>
Desc: Merge pull request #25806 from lissyx/bug1093602

Bug 1093602 - Remove LogShake feature from v2.1 r=janx

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https://hg.mozilla.org/integration/gaia-2_1/rev/862231eeee9c
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 1093602 - Remove LogShake feature from v2.1 r=janx

The Gecko code for LogShake feature only landed in master. So we should
rather remove the Gaia exposition of this to avoid confusion for users
and developpers.
Bumping manifests a=b2g-bump