Remove deprecated AsyncState and getAsyncState utilities

Author: Peter080202

src/async-data/__test__/asyncState.test.ts

@@ -1,5 +1,4 @@
 export * from './useInterval/useInterval'
-export * from './async-data/asyncState'
 export * from './async-data/AsyncView'
 export * from './location-provider/LocationProvider'
 export * from './useMatchMediaQuery/useMatchMediaQuery'