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

========

https://hg.mozilla.org/integration/gaia-central/rev/99f6502fa1fc
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #26445 from pacorampas/1099397"

This reverts commit 7cc460af0f6f491d1afa6b6043cdea5025f0e15f, reversing
changes made to 30ad86d78c396ed746879d732e0cc8aad61b936a.
Bumping manifests a=b2g-bump