[INTERNAL][FIX] support assistant - fixed rule for unused namespaces
[INTERNAL][FIX] support assistant - fixed rule for unused namespaces

 - Adjusted the condition to exclude the mvc namespace, because
 it is checked in other rule

Change-Id: I28dca0bc225472944c426e85cce7cd1b8b7f365d

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