Remove RCTConvert to work with react-native-fcm
Remove RCTConvert to work with react-native-fcm

fullstackreact/react-native-firestack,sraka1/react-native-firestack,fullstackreact/react-native-firestack,fullstackreact/react-native-firestack,fullstackreact/react-native-firestack,sraka1/react-native-firestack,tegument/react-native-firestack,sraka1/react-native-firestack,sraka1/react-native-firestack,tegument/react-native-firestack,tegument/react-native-firestack,tegument/react-native-firestack