Clean up old flipper rating system

Summary:
Found some unused code from the rating prototype before switching to itsr.
Deleting it.

Reviewed By: cekkaewnumchai

Differential Revision: D18298155

fbshipit-source-id: 3529db17494f4f5bf7d7841460203d1c3856299a

src/reducers/application.tsx

@@ -77,7 +77,6 @@ export type State = {
   serverPorts: ServerPorts;
   downloadingImportData: boolean;
   launcherMsg: LauncherMsg;
-  flipperRating: number | null;
   statusMessages: Array<string>;
   xcodeCommandLineToolsDetected: boolean;
 };
@@ -120,12 +119,6 @@ export type Action =
         message: string;
       };
     }
-  | {
-      type: 'SET_FLIPPER_RATING';
-      payload: {
-        rating: number;
-      };
-    }
   | {
       type: 'UNSET_SHARE';
     }
@@ -169,7 +162,6 @@ export const initialState: () => State = () => ({
     severity: 'warning',
     message: '',
   },
-  flipperRating: null,
   statusMessages: [],
   xcodeCommandLineToolsDetected: false,
 });
@@ -242,11 +234,6 @@ export default function reducer(
       ...state,
       launcherMsg: action.payload,
     };
-  } else if (action.type === 'SET_FLIPPER_RATING') {
-    return {
-      ...state,
-      flipperRating: action.payload.rating,
-    };
   } else if (action.type === 'SET_EXPORT_STATUS_MESSAGE') {
     if (state.share) {
       const {share} = state;
@@ -344,13 +331,6 @@ export const toggleRightSidebarAvailable = (payload?: boolean): Action => ({
   payload,
 });
 
-export const setFlipperRating = (rating: number): Action => ({
-  type: 'SET_FLIPPER_RATING',
-  payload: {
-    rating,
-  },
-});
-
 export const setExportURL = (result: string): Action => ({
   type: 'SET_EXPORT_URL',
   payload: result,