merge: upstream performance changes & instance silencing

packages/backend/src/models/Note.ts

@@ -18,11 +18,6 @@ export class MiNote {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Note.',
-	})
-	public createdAt: Date;
-
 	@Column('timestamp with time zone', {
 		comment: 'The update time of the Note.',
 		default: null,