Remove obsolete repository writes

src/db/repositories/project.repository.ts

@@ -28,8 +28,4 @@ export class ProjectRepository {
     const [row] = await db.select().from(projects).where(eq(projects.id, projectId)).limit(1);
     return row ?? null;
   }
-
-  async delete(projectId: string) {
-    await db.delete(projects).where(eq(projects.id, projectId));
-  }
 }