Mainstream porn producers have shied away from using actors sporting the hirsute lumberjack look for the last couple decades. As is always the case whenever models or actors are concerned, their looks simply reflect industry trends. Guys in porn (depending on the genre, of course) are either fairly hairless to begin with, or they remove what they have in order to better show their endowment; hair would simply block the view. That said, it sounds like you have slightly more hair than most, but I wouldn't worry about it.