chore(check): drop redundant comment on lint heading branch

Author: fengmk2

packages/cli/binding/src/check/mod.rs

@@ -176,10 +176,6 @@ pub(crate) async fn execute_check(
                 }
             }
             Some(Err(failure)) => {
-                // Trust the oxlint exit code: oxlint exits 0 for warning-only
-                // output by default and exits non-zero when `denyWarnings` (or
-                // `--deny-warnings`) promotes warnings to failures. The heading
-                // still reflects the findings (warnings vs errors).
                 if failure.errors == 0 && failure.warnings > 0 {
                     output::warn(lint_message_kind.warning_heading());
                 } else {