[DCMA] Delete scripts 5etools and pf2etools - Copyright abuse (#1922)

* Delete json/5etools.json

* Delete ct/5etools.sh

* Delete install/5etools-install.sh

* Delete ct/headers/5etools

* Delete ct/pf2etools.sh

* Delete json/pf2etools.json

* Delete ct/headers/pf2etools

* Delete install/pf2etools-install.sh

Author: michelroegl-brunner