Remove redundant availability API calls.
Remove redundant availability API calls.
calebd/ReactiveCocoa,ohwutup/ReactiveCocoa,ohwutup/ReactiveCocoa,calebd/ReactiveCocoa,walkingsmarts/ReactiveCocoa,calebd/ReactiveCocoa,ohwutup/ReactiveCocoa,walkingsmarts/ReactiveCocoa,walkingsmarts/ReactiveCocoa