Revert "test: check old megalodon version"

This reverts commit 89eea5df52.

packages/megalodon/src/mastodon/entities/application.ts

@@ -0,0 +1,7 @@
+namespace MastodonEntity {
+  export type Application = {
+    name: string
+    website?: string | null
+    vapid_key?: string | null
+  }
+}