Bug 1085021 - Remove ingestion reports for b2gperf data, hamachi, and tarako

Not sure (I haven't introduced it here). It may have been the equivalent of cold load time before the improved perf tests? I found some results here: https://datazilla.mozilla.org/b2g/?branch=master&device=flame-319MB&range=90&test=startup_time&app_list=settings&app=settings&gaia_rev=edbce405a3dc0875&gecko_rev=eea1504453bf&plot=avg it looks like they stopped in August.