Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e89bb80f31d8
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #23869 from arcturus/bug-1061421

Bug 1061421 - [Contacts] Delete all contacts which were set to ICE, 'ICEcontacts' list is empty but the whole ICE section should be removed r=sergi

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https://hg.mozilla.org/integration/gaia-central/rev/cb90b3c75b38
Author: Francisco Jordano <fjordano@mozilla.com>
Desc: Bug 1061421 - [Contacts] Delete all contacts which were set to ICE, 'ICE contacts' list is empty but the whole ICE section should be removed r=sergi
Bumping manifests a=b2g-bump