refactor: remove useless functions

src/App.jsx

@@ -4,7 +4,7 @@ import { RestfulProvider } from "restful-react";
 import sdk from "matrix-js-sdk";
 
 import { MatrixClientContext } from "./contexts";
-import * as StorageManager from "./StorageManager";
+import idbLoad from "./StorageManager";
 import AdminHome from "./AdminHome";
 import DelayedSpinner from "./DelayedSpinner";
 import Login from "./Login";
@@ -54,7 +54,7 @@ export default () => {
     useEffect(() => {
         Promise.resolve(getHsBaseUrl()).then(baseUrl => {
             let client;
-            StorageManager.idbLoad("account", "mx_access_token").then(accessToken => {
+            idbLoad("account", "mx_access_token").then(accessToken => {
                 if (!accessToken) {
                     accessToken = localStorage.getItem("mx_access_token");
                 }

src/StorageManager.js

@@ -41,7 +41,7 @@ async function idbInit() {
     });
 }
 
-export async function idbLoad(table, key) {
+export default async function idbLoad(table, key) {
     if (!idb) {
         await idbInit();
     }
@@ -57,37 +57,3 @@ export async function idbLoad(table, key) {
         };
     });
 }
-
-export async function idbSave(table: string, key: string | string[], data: any): Promise<void> {
-    if (!idb) {
-        await idbInit();
-    }
-    return new Promise((resolve, reject) => {
-        const txn = idb.transaction([table], "readwrite");
-        txn.onerror = reject;
-
-        const objectStore = txn.objectStore(table);
-        const request = objectStore.put(data, key);
-        request.onerror = reject;
-        request.onsuccess = () => {
-            resolve();
-        };
-    });
-}
-
-export async function idbDelete(table: string, key: string | string[]): Promise<void> {
-    if (!idb) {
-        await idbInit();
-    }
-    return new Promise((resolve, reject) => {
-        const txn = idb.transaction([table], "readwrite");
-        txn.onerror = reject;
-
-        const objectStore = txn.objectStore(table);
-        const request = objectStore.delete(key);
-        request.onerror = reject;
-        request.onsuccess = () => {
-            resolve();
-        };
-    });
-}