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

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https://hg.mozilla.org/integration/gaia-2_0/rev/2ecab42fff98
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #21461 from guilherme-pg/bug1035321-handle-accuracy"

This reverts commit d46332fbf16a683a7a29ad3c78d865ca1767d354.
Bumping manifests a=b2g-bump