Properly remove pontoon-entity class.
Properly remove pontoon-entity class.

mozilla/pontoon,mathjazz/pontoon,mathjazz/pontoon,mastizada/pontoon,mathjazz/pontoon,Jobava/mirror-pontoon,participedia/pontoon,Jobava/mirror-pontoon,sudheesh001/pontoon,vivekanand1101/pontoon,Jobava/mirror-pontoon,sudheesh001/pontoon,yfdyh000/pontoon,yfdyh000/pontoon,jotes/pontoon,Osmose/pontoon,mathjazz/pontoon,jotes/pontoon,mastizada/pontoon,sudheesh001/pontoon,m8ttyB/pontoon,Osmose/pontoon,m8ttyB/pontoon,mathjazz/pontoon,participedia/pontoon,yfdyh000/pontoon,Osmose/pontoon,mastizada/pontoon,jotes/pontoon,Jobava/mirror-pontoon,participedia/pontoon,vivekanand1101/pontoon,Osmose/pontoon,m8ttyB/pontoon,mastizada/pontoon,jotes/pontoon,m8ttyB/pontoon,sudheesh001/pontoon,vivekanand1101/pontoon,mozilla/pontoon,mozilla/pontoon,mozilla/pontoon,participedia/pontoon,yfdyh000/pontoon,mozilla/pontoon,vivekanand1101/pontoon