Remove validation uniqueness of permalink on project
Remove validation uniqueness of permalink on project

The gem has_permalink already take care of duplications

jinutm/silverprod,jinutm/silvfinal,jinutm/silverme,gustavoguichard/neighborly,gustavoguichard/neighborly,jinutm/silverpro,jinutm/silverprod,MicroPasts/micropasts-crowdfunding,jinutm/silverme,MicroPasts/micropasts-crowdfunding,raksonibs/raimcrowd,jinutm/silverclass,raksonibs/raimcrowd,raksonibs/raimcrowd,jinutm/silveralms.com,MicroPasts/micropasts-crowdfunding,jinutm/silveralms.com,jinutm/silverme,jinutm/silvfinal,jinutm/silverclass,MicroPasts/micropasts-crowdfunding,jinutm/silvfinal,jinutm/silverclass,jinutm/silveralms.com,jinutm/silverpro,rockkhuya/taydantay,jinutm/silverpro,rockkhuya/taydantay,raksonibs/raimcrowd,gustavoguichard/neighborly,jinutm/silverprod,rockkhuya/taydantay