cleanup: remove M4 debug logging from run.ts

Debug logging confirmed Forgejo sends 'label_updated' as eventAction
for issues/labeled events. Normalization fix in context.ts handles it.
Remove temporary debug lines.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/entrypoints/run.ts

@@ -142,19 +142,6 @@ async function run() {
     // Phase 1: Prepare
     const actionInputsPresent = collectActionInputsPresence();
     context = parseGitHubContext();
-    // Debug: dump event details for issues events (M4 debugging)
-    if (context.eventName === "issues") {
-      console.log(
-        `[debug] issues event — eventAction: ${(context as any).eventAction}`,
-      );
-      console.log(
-        `[debug] payload.action: ${(context as any).payload?.action}`,
-      );
-      console.log(
-        `[debug] payload.label: ${JSON.stringify((context as any).payload?.label)}`,
-      );
-      console.log(`[debug] LABEL_TRIGGER env: ${process.env.LABEL_TRIGGER}`);
-    }
     const modeName = detectMode(context);
     console.log(
       `Auto-detected mode: ${modeName} for event: ${context.eventName}`,