Revert "Restart bits varnish on cache allocation failures"

Disable this for now so I can debug again

This reverts commit e9947683b66a5da4edbca18c9572d65659d25b79

Change-Id: If7dbb5a1ba8055439ca4a5c7ef944ca282978862
Merge "Revert "Restart bits varnish on cache allocation failures"" into production