message: remove id validation
diff: "description": "API identifier. Must be unique in the current API Management service instance.",
  "minLength": 1,
  "maxLength": 80,
  - "pattern": "^[^*#&+:<>?]+$",
  "x-ms-parameter-location": "method"
  },
  "ApiIdRevParameter": {
  "description": "Identifier of the Backend entity. Must be unique in the current API Management service instance.",
  "minLength": 1,
  "maxLength": 80,
  - "pattern": "^[^*#&+:<>?]+$",
  "x-ms-parameter-location": "method"
  },
  "CacheIdParameter": {
  "description": "Operation identifier within an API. Must be unique in the current API Management service instance.",
  "minLength": 1,
  "maxLength": 80,
  - "pattern": "^[^*#&+:<>?]+$",
  "x-ms-parameter-location": "method"
  },
  "PolicyExportFormat": {
  "description": "Product identifier. Must be unique in the current API Management service instance.",
  "minLength": 1,
  "maxLength": 256,
  - "pattern": "^[^*#&+:<>?]+$",
  "x-ms-parameter-location": "method"
  },
  "PropertyIdParameter": {
  "description": "User identifier. Must be unique in the current API Management service instance.",
  "minLength": 1,
  "maxLength": 80,
  - "pattern": "^[^*#&+:<>?]+$",
  "x-ms-parameter-location": "method"
  }
  }
  