Revert "CLOUDSTACK-7404: Failed to start an instance when originating template has been deleted"

This reverts commit d9779ae4fc5ba0e8f077c6b945c8c2b269311c08.
CLOUDSTACK-7404: Failed to start an instance when originating template has been deleted
Merge branch 'exoscalefix' into 4.3
CLOUDSTACK-6472 (4.3 specific) listUsageRecords: Pull information from removed items as well, fixing NPEs/Null UUIDs with usage API calls.

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>