[FIX] sap.ui.test.actions.Action: remove unused setting of element's position for MouseEvent
[FIX] sap.ui.test.actions.Action: remove unused setting of element's position for MouseEvent

Change-Id: If22e08b9afbe38c247fd7385ea7d52053a9f8663

SQCLabs/openui5,nzamani/openui5,cschuff/openui5,SAP/openui5,SQCLabs/openui5,cschuff/openui5,nzamani/openui5,SQCLabs/openui5,SAP/openui5,SAP/openui5,SAP/openui5,cschuff/openui5,nzamani/openui5