Cleanup obsolete tab model connections
Cleanup obsolete tab model connections

Code moved under TabModel declaration

alinelena/sailfish-browser,rojkov/sailfish-browser,rojkov/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,rojkov/sailfish-browser,sailfishos/sailfish-browser