Remove Photon references (#8411)

github.com/vmware/photon-controller is no longer maintained, as of Oct 2017.

See also: kubernetes/kubernetes#58096
See also: kubernetes/kubernetes#63510

content/en/docs/concepts/storage/persistent-volumes.md

@@ -234,7 +234,6 @@ resizing to take place. Also, file system resizing is only supported for followi
 * VsphereVolume
 * Quobyte Volumes
 * HostPath (Single node testing only -- local storage is not supported in any way and WILL NOT WORK in a multi-node cluster)
-* VMware Photon
 * Portworx Volumes
 * ScaleIO Volumes
 * StorageOS
@@ -313,7 +312,6 @@ In the CLI, the access modes are abbreviated to:
 | Glusterfs            | ✓     | ✓    | ✓     |
 | HostPath             | ✓     | -           | -            |
 | iSCSI                | ✓     | ✓    | -            |
-| PhotonPersistentDisk | ✓     | -           | -            |
 | Quobyte              | ✓     | ✓    | ✓     |
 | NFS                  | ✓     | ✓    | ✓     |
 | RBD                  | ✓     | ✓    | -            |
@@ -367,7 +365,6 @@ The following volume types support mount options:
 * Glusterfs
 * VsphereVolume
 * Quobyte Volumes
-* VMware Photon
 
 Mount options are not validated, so mount will simply fail if one is invalid.
 

content/en/docs/concepts/storage/storage-classes.md

@@ -69,7 +69,6 @@ for provisioning PVs. This field must be specified.
 | GCEPersistentDisk    | ✓            | [GCE](#gce)                          |
 | Glusterfs            | ✓            | [Glusterfs](#glusterfs)              |
 | iSCSI                | -                   | -                                    |
-| PhotonPersistentDisk | ✓            | -                                    |
 | Quobyte              | ✓            | [Quobyte](#quobyte)                  |
 | NFS                  | -                   | -                                    |
 | RBD                  | ✓            | [Ceph RBD](#ceph-rbd)                |