Revert "Merge branch 'assessment' into tutorial"

This reverts commit e322795f25, reversing
changes made to dddd9432db.

src/reducers/index.js

@@ -1,8 +1,6 @@
 import { combineReducers } from 'redux';
 import workspaceReducer from './workspaceReducer';
-import tutorialReducer from './tutorialReducer';
 
 export default combineReducers({
-  workspace: workspaceReducer,
-  tutorial: tutorialReducer
+  workspace: workspaceReducer
 });

src/reducers/tutorialReducer.js

@@ -1,25 +0,0 @@
-import { TUTORIAL_SUCCESS, TUTORIAL_ERROR, TUTORIAL_CHANGE } from '../actions/types';
-
-
-const initialState = {
-  status: JSON.parse(window.localStorage.getItem('tutorial')),
-  change: 0
-};
-
-export default function(state = initialState, action){
-  switch(action.type){
-    case TUTORIAL_SUCCESS:
-    case TUTORIAL_ERROR:
-      return {
-        ...state,
-        status: action.payload
-      };
-    case TUTORIAL_CHANGE:
-      return {
-        ...state,
-        change: state.change += 1
-      }
-    default:
-      return state;
-  }
-}