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

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https://hg.mozilla.org/integration/gaia-central/rev/843a842c7993
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #22776 from mozilla-b2g/revert-22705-1050670

Revert "Bug 1050670 - verify output files from jsmin"

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https://hg.mozilla.org/integration/gaia-central/rev/4d4baf746979
Author: George <georgeiscoming@gmail.com>
Desc: Revert "Bug 1050670 - verify output files from jsmin"
Bumping manifests a=b2g-bump