Revert "CLOUDSTACK-4780: Changes related to checking snapshot on NFS server"

This reverts commit 03811c0c46a3c74f4271b08faa8ce40a4e2598f7.
CLOUDSTACK-5559 Add CIFS support in ssvm-check script
CLOUDSTACK-5592
ssh should run on eth1 interface in ssvm/cpvm running in HyperV.
CLOUDSTACK-5603  support Monitoring VR services when VR running on Hyper-V
CLOUDSTACK-5340 [Hyper-V] Control IPs are not getting released when VRs are in stopped state
CLOUDSTACK-5592 ssh should run on eth1 interface in ssvm/cpvm running in HyperV
CLOUDSTACK-5602 cloudstack-release file in systemvm for hyperv is showing the release as 4.2. It should be 4.3
CLOUDSTACK-5538 additional libraries requires in systemvm for console proxy to work in HyperV
CLOUDSTACK-5584  fix the issue to configure the systemvm's in hyperv consistently
CLOUDSTACK-5210: Fix the sockets reported by the hyperv agent.
CLOUDSTACK-5344: Update to allow rdp console to access hyper-v vm virtual framebuffer.
CLOUDSTACK-5564: The deployment on other hosts in the cluster used to fail because
cloudstack though the storage pool wasn't accessible from the host. Make sure host
to pool mapping is added in the storage_pool_host_ref table when a host is added
to the cluster.
CLOUDSTACK-5587, CLOUDSTACK-5589: Router version in 2.2.x routers is null. Added null check when comparing min version
CLOUDSTACK-5300: Catch vpn add error failure, removed failed user and return failure status
CLOUDSTACK-5518: Fixing non contiguous vlan test case
CLOUDSTACK-4780: Changes related to checking snapshot path
 on NFS server, also made marvin import paths specific
CLOUDSTACK-5608: HyperV Builtin and System vm template entries missing/need to update in 4.3 upgrade setup
check vlans and other isolation types
CLOUDSTACK-5612: UI > Network > Guest Networks > detailView > to distinguish between non-vpc network and vpc network(tier) easier, move VPC ID field up.
CLOUDSTACK-5606: UI > Copy Template action, Copy ISO action is now availble to region-wide secondary storage (S3, Swift).
CLOUDSTACK-5345: UI > Virtual Routers > Group by account > pass listAll=true to listAccounts API.