Remove will-navigate comment after Electron fix
Remove will-navigate comment after Electron fix

Electron 8.0.2 and later (which we're now using) resolves this issue with
`will-navigate`.

vector-im/riot-web,vector-im/vector-web,vector-im/vector-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web,vector-im/riot-web,vector-im/vector-web,vector-im/riot-web