server: Remove leftover of snapshot index when removing the volume
server: Remove leftover of snapshot index when removing the volume

mehulsbhatt/convoy,aruneli/convoy,medallia/convoy,nickvanw/convoy,mehulsbhatt/convoy,rancherio/volmgr,jinuxstyle/convoy,rancherio/rancher-volume,aruneli/convoy,dx9/convoy,nickvanw/convoy,moypray/convoy,aruneli/convoy,rancherio/rancher-volume,rancherio/rancher-volume,rancher/rancher-volume,dx9/convoy,medallia/convoy,rancher/convoy,rancher/rancher-volume,moypray/convoy,medallia/convoy,rancher/convoy,rancher/convoy,rancherio/volmgr,moypray/convoy,rancher/rancher-volume,dx9/convoy,nickvanw/convoy,jinuxstyle/convoy,jinuxstyle/convoy,mehulsbhatt/convoy,rancherio/volmgr