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

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https://hg.mozilla.org/integration/gaia-2_0/rev/60428491099f
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #21444 from alivedise/bugzilla/1027401_v2.1/reset-orientation-on-popupclose"

This reverts commit 4e3f949226e82938aa8ce0fa9c7d29f36243afde.
Bumping manifests a=b2g-bump