Format the partition to which you installed Fedora sounds a logical move. However, some Linux Distros do have their own "uninstall/remove" feature, so you might want to look for that before you use the PS3 to do it. Btw, you might wanna check this out but it is probably goign to be too complicated for you http://forums.qj.net/f-ps3-linux-283/t-how-to-play-videos-on-yellow-dog-50-81670.html
i uninstalled it just formated the 10gb it was in but when it rebooted it sed i had to format all of my hard drive so i did n it deleted all the files but hey it dont matte but now i want to have YDL but the part when it get to kboot it troubles up some how. when i type ydltext it says file not found n when i type installtext it says file not found den reads some script n shows some jibrihs which has same layout as kboot screen. help. thnx