Remove usage of `storage` module

js/background.js

@@ -89,7 +89,7 @@
   await Migrations0DatabaseWithAttachmentData.run({ Backbone });
 
   console.log('Migrate attachments to disk');
-  await MessageDataMigrator.processAll({ Backbone, storage, upgradeMessageSchema });
+  await MessageDataMigrator.processAll({ Backbone, upgradeMessageSchema });
 
   console.log('Migrate database without attachments');
   await Migrations1DatabaseWithoutAttachmentData.run({

js/modules/messages_data_migrator.js

@@ -77,19 +77,11 @@ exports.processNext = async ({
   };
 };
 
-exports.processAll = async ({
-  Backbone,
-  storage,
-  upgradeMessageSchema,
-} = {}) => {
+exports.processAll = async ({ Backbone, upgradeMessageSchema } = {}) => {
   if (!isObject(Backbone)) {
     throw new TypeError('"Backbone" is required');
   }
 
-  if (!isObject(storage)) {
-    throw new TypeError('"storage" is required');
-  }
-
   if (!isFunction(upgradeMessageSchema)) {
     throw new TypeError('"upgradeMessageSchema" is required');
   }