Bug 991476 - Decommission the ionmonkey tree. r=catlee

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extra : rebase_source : 92e364edb8d63d98b223d0d9e2f6a4ab096b287d
bug 986487: release repacks needs to submit data to balrog. r=rail
Merge bugs 991476 and 986487 to production.

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branch : production-0.8