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

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https://hg.mozilla.org/integration/gaia-central/rev/7094dd5e7839
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #26958 from KevinGrandon/bug_1112745_remove_desktop_support_2

Bug 1112745 - Remove deprecated simulator flag

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https://hg.mozilla.org/integration/gaia-central/rev/78f37be11945
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1112745 - Remove deprecated simulator flag r=ochameau
Bumping manifests a=b2g-bump