Remove iOS platform specification from podspec
Remove iOS platform specification from podspec

Fitbit/RxBluetoothKit,Polidea/RxBluetoothKit,proxyco/RxBluetoothKit,Polidea/RxBluetoothKit,Polidea/RxBluetoothKit,Fitbit/RxBluetoothKit,Fitbit/RxBluetoothKit,proxyco/RxBluetoothKit