Remove the per-file Go HTML coverage reports (#4212)
Remove the per-file Go HTML coverage reports (#4212)

The Cobetura ones are more useful, as they report directly through the
Jenkins UI, show rolled up stats, and trends. The HTML reports only ever
showed a per-file percentage.
couchbaselabs/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway