[aur-general] Remove (orphaned) pyhyphen and rename python-pysrt

Please remove the pyhyphen package (superceded by python-pyhyphen / python2-pyhyphen) https://aur.archlinux.org/packages/pyhyphen/ Also rename python-pysrt to python2-pysrt https://aur.archlinux.org/packages/python-pysrt/ Thanks! -- BR, VJ