Remove reference to FreeBSD from build instructions list
Remove reference to FreeBSD from build instructions list

liuderchi/atom,t9md/atom,andrewleverette/atom,Mokolea/atom,brettle/atom,stinsonga/atom,andrewleverette/atom,brettle/atom,andrewleverette/atom,atom/atom,t9md/atom,stinsonga/atom,atom/atom,PKRoma/atom,PKRoma/atom,liuderchi/atom,liuderchi/atom,stinsonga/atom,brettle/atom,t9md/atom,Mokolea/atom,atom/atom,liuderchi/atom,Mokolea/atom,stinsonga/atom,PKRoma/atom