Revert "updated description of sku name values" (#3475)

* Revert "Enable Computer Vision Client to customize endpoint. (#3440)"

This reverts commit 6a7eb1d.

* Revert "Update custom image search Node.js properties (#3470)"

This reverts commit eddee65.

* Revert "updated description of sku name values (#3467)"

This reverts commit aa50b23.

Author: tfitzmac

specification/compute/resource-manager/Microsoft.Compute/stable/2018-06-01/compute.json

@@ -5909,7 +5909,7 @@
       "properties": {
         "name": {
           "type": "string",
-          "description": "The sku name. Possible values are: **Aligned** for managed disks, and **Classic** for unmanaged disks. Default value is Classic, if not specified."
+          "description": "The sku name."
         },
         "tier": {
           "type": "string",