VMware: Remove VMwareVCVMOps

This support is no longer needed as we only support the VC driver
since commit 1deb31f85a8f5d1e261b2cf1eddc537a5da7f60b.

The patch makes use of VMwareVMOps. All of the specific VC methods
are moved into this class.

partial blueprint vmware-spawn-refactor

Change-Id: Ieb2198a956853c75855e3b4441cc3a893b2e6079
Merge "VMware: Remove VMwareVCVMOps"