Remove changes to old docs

docs_3x.md

@@ -139,13 +139,7 @@ Note: since this component will re-render its children every time its parent's p
   There are 3 features that this library provides in order to leverage offline capabilities in your Redux store: a reducer, a middleware and an offline queue system. You can use all of them or just the ones that suits your needs.
 
   ### Network reducer
-A network reducer to be provided to the store. The reducer can take an optional comparisonFn. If no function is provided default comparison function will be used.
-```js
-export default (
-  comparisonFn: Function = getSimilarActionInQueue,
-) => (state: NetworkState = initialState, action: *) {
-}
-```
+A network reducer to be provided to the store.
 
   #### State
 ```js
@@ -172,31 +166,6 @@ const store = createStore(rootReducer);
 export default store;
 ```
 
-##### OR
-```js
-// configureStore.js
-import { createStore, combineReducers } from 'redux'
-import { reducer as network } from 'react-native-offline';
-import { comparisonFn } from './utils';
-
-const rootReducer = combineReducers({
-  // ... your other reducers here ...
-  network(comparisonFn),
-});
-
-const store = createStore(rootReducer);
-export default store;
-```
-
-  ##### 1a. Comparison Function needs to accept an `action` and the `actionQueue`. The result of the function will be either `undefined` meaning no match found or the `action` that matches the passed in action.
-```js
-function  comparisonFn(
-  action: *,
-  actionQueue: Array<*>,
-) { }
-```
-
-
 ##### 2.- Here you have 2 options:
 
   ##### 2a.- Wrap your top most React component into `withNetworkConnectivity` and configure it with `withRedux = true`.