[INTERNAL] sap.ui.core.util.MockServer: fix constructor JSDoc

MockServer was marked as abstract in the constructor JSDoc, but it is not.

Fixes: SAP-docs/sapui5#131
SNOW: n/a
CR-Id: 002075125900001972662024
Change-Id: Ifbfc712b6e5dda145fff560f7d51ecd56ccc0b12
(cherry picked from commit b42c668)

src/sap.ui.core/src/sap/ui/core/util/MockServer.js

@@ -43,7 +43,6 @@ sap.ui
 			 *
 			 * @class Class to mock http requests made to a remote server supporting the OData V2 REST protocol.
 			 * @extends sap.ui.base.ManagedObject
-			 * @abstract
 			 * @author SAP SE
 			 * @version ${version}
 			 * @public