Bug 1387532 - Beta is scheduling multiple Win8 opt reftest-noaccel runs on every push. r=catlee

The issue here is that we had marked 'chunked' as false, but were still trying to use 8 chunks for reftest. Because of this we were also sending the unchunked buildbot name to BBB for each chunk we actually tried to run, on e10s and other variants.

MozReview-Commit-ID: 3Ffv8UMBzk2

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extra : rebase_source : bb234d41c28875842f60cf192d184ca8fad316d6