fix build by inserting missing shipit tag

Summary: As title

Reviewed By: ir-regular

Differential Revision: D56015770

fbshipit-source-id: 2eab0c82a9ab52cf4a489e95db5a9d4d625af559

crates/ide_db/src/diagnostic_code.rs

@@ -278,7 +278,7 @@ impl DiagnosticCode {
             DiagnosticCode::ErlangService(_) => false,
             DiagnosticCode::Eqwalizer(_) => false,
             DiagnosticCode::AdHoc(_) => false,
-            DiagnosticCode::MetaOnly(code) => code.allows_fixme_comment(),
+            // @fb-only: DiagnosticCode::MetaOnly(code) => code.allows_fixme_comment(),
         }
     }
 }