Remove phoenix 4.6 related issues, which are fixed in 4.7
Remove phoenix 4.6 related issues, which are fixed in 4.7

youngwookim/python-phoenixdb,lalinsky/python-phoenixdb,Pirionfr/pyPhoenix,Pirionfr/pyPhoenix,youngwookim/python-phoenixdb,lalinsky/python-phoenixdb