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

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https://hg.mozilla.org/integration/gaia-2_1/rev/9e982af1af92
Author: Zac <zcampbell@mozilla.com>
Desc: Revert "Bug 1099041 - Add the manifest file that sets the default values as a dependency to the others"

This reverts commit e6409eb6d2e8c13127f9e6e46995db03354e4b57.
Bumping manifests a=b2g-bump