doc: get rid of obsolete URL scheme doc
doc: get rid of obsolete URL scheme doc

the up to date version is now linked from the Documentation page

zacchiro/debsources,matthieucan/debsources,Debian/debsources,nonas/debian-qa,vivekanand1101/debsources,oorestisime/debsources,devoxel/debsources,vivekanand1101/debsources,sophiejjj/debsources,Debian/debsources,zacchiro/debsources,oorestisime/debsources,oorestisime/debsources,vivekanand1101/debsources,matthieucan/debsources,clemux/debsources,oorestisime/debsources,Debian/debsources,matthieucan/debsources,oorestisime/debsources,clemux/debsources,sophiejjj/debsources,devoxel/debsources,sophiejjj/debsources,clemux/debsources,sophiejjj/debsources,zacchiro/debsources,zacchiro/debsources,devoxel/debsources,nonas/debian-qa,nonas/debian-qa,matthieucan/debsources,matthieucan/debsources,zacchiro/debsources,vivekanand1101/debsources,nonas/debian-qa,sophiejjj/debsources,devoxel/debsources,devoxel/debsources,Debian/debsources,clemux/debsources,clemux/debsources,Debian/debsources,vivekanand1101/debsources