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

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https://hg.mozilla.org/integration/gaia-central/rev/3045bf73d5cc
Author: Carsten Book -Tomcat- <cbook@mozilla.com>
Desc: Revert "Bug 983663 - [Contacts] JSHint fixes for contact unit tests r=arcturus" for Gaia Unit Test Bustage

This reverts commit 4de450bb6f1a6407aa9a23bf211a7e8e9742b913.
Bumping manifests a=b2g-bump