HDS_HNAS: Remove unused parameter
HDS_HNAS: Remove unused parameter

Removed an unused parameter from internal share shrink funciton.

TrivialFix

Change-Id: Ie8291ae4571fedc7eb721edc721de9547142d393

openstack/manila,openstack/manila,NetApp/manila,vponomaryov/manila,NetApp/manila,vponomaryov/manila,bswartz/manila,bswartz/manila