VirtualMedia fixes for Redfish Service Validator

Removes all warnings and errors for VirtualMedia
- rework for OemVirtualMedia
- minor adjustments for jsons

Tested:
Redfish Service Validator ran with no errors and/or warnings

Change-Id: Ic027166153a807a8bd3a6c04f042969f16e0dc6a
Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
diff --git a/static/redfish/v1/JsonSchemas/OemVirtualMedia/index.json b/static/redfish/v1/JsonSchemas/OemVirtualMedia/index.json
index 78bd8b7..9ae641a 100644
--- a/static/redfish/v1/JsonSchemas/OemVirtualMedia/index.json
+++ b/static/redfish/v1/JsonSchemas/OemVirtualMedia/index.json
@@ -3,9 +3,10 @@
     "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
     "copyright": "Copyright 2014-2019 DMTF. For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright",
     "definitions": {
-        "OpenBmc": {
-            "additionalProperties": true,
-            "description": "Oem properties for OpenBmc.",
+        "VirtualMedia": {
+            "additionalProperties": false,
+            "description": "OEM Extension for VirtualMedia",
+            "longDescription": "OEM Extension for VirtualMedia to support Proxy mode.",
             "patternProperties": {
                 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
                     "description": "This property shall specify a valid odata or Redfish property.",
@@ -32,27 +33,6 @@
                 }
             },
             "type": "object"
-        },
-        "VirtualMedia": {
-            "additionalProperties": false,
-            "description": "OEM Extension for VirtualMedia",
-            "longDescription": "OEM Extension for VirtualMedia to support Proxy mode.",
-            "patternProperties": {
-                "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
-                    "description": "This property shall specify a valid odata or Redfish property.",
-                    "type": [
-                        "array",
-                        "boolean",
-                        "integer",
-                        "number",
-                        "null",
-                        "object",
-                        "string"
-                    ]
-                }
-            },
-            "properties": {},
-            "type": "object"
         }
     },
     "owningEntity": "OpenBMC",