removing read only property, no longer in use - NOT a breaking change (Azure#13812)

Author: vipinhas

specification/operationalinsights/resource-manager/Microsoft.OperationalInsights/stable/2020-10-01/Workspaces.json

@@ -424,12 +424,6 @@
           "format": "int32",
           "description": "The capacity reservation level for this workspace, when CapacityReservation sku is selected."
         },
-        "maxCapacityReservationLevel": {
-          "type": "integer",
-          "format": "int32",
-          "description": "The maximum capacity reservation level available for this workspace, when CapacityReservation sku is selected.",
-          "readOnly": true
-        },
         "lastSkuUpdate": {
           "type": "string",
           "description": "The last time when the sku was updated.",