Remove link to Twitter from the README
Remove link to Twitter from the README

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