Bumping gaia.json for 1 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/c59267134f80
Author: Corey Frang <gnarf37@gmail.com>
Desc: Followup tests commit for Bug 883822 / d17ada1 - r=rwaldron a=npotb

* Removes some useless tests and replaces them with tests that actually test d17ada1