removed incorrect info from README (Issue #2890)
removed incorrect info from README (Issue #2890)

ikesyo/ReactiveCocoa,smilypeda/ReactiveCocoa,calebd/ReactiveCocoa,sandyway/ReactiveCocoa,walkingsmarts/ReactiveCocoa,ohwutup/ReactiveCocoa,victorlin/ReactiveCocoa,tzongw/ReactiveCocoa,sandyway/ReactiveCocoa,andersio/ReactiveCocoa,andersio/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,rpowelll/ReactiveCocoa,tzongw/ReactiveCocoa,calebd/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,ohwutup/ReactiveCocoa,tzongw/ReactiveCocoa,walkingsmarts/ReactiveCocoa,walkingsmarts/ReactiveCocoa,victorlin/ReactiveCocoa,rpowelll/ReactiveCocoa,victorlin/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,ikesyo/ReactiveCocoa,smilypeda/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,andersio/ReactiveCocoa,calebd/ReactiveCocoa,rpowelll/ReactiveCocoa,ohwutup/ReactiveCocoa,smilypeda/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,sandyway/ReactiveCocoa