refactor(nip-66): remove Check Types label from monitor feed

Remove label title to simplify monitor feed layout - check type badges
are displayed directly without a header for cleaner appearance.

src/components/nostr/kinds/MonitorAnnouncementRenderer.tsx

@@ -4,7 +4,6 @@ import {
   ClickableEventTitle,
 } from "./BaseEventRenderer";
 import { Badge } from "@/components/ui/badge";
-import { Label } from "@/components/ui/label";
 import {
   getMonitorFrequency,
   getMonitorChecks,
@@ -42,19 +41,16 @@ export function Kind10166Renderer({ event }: BaseEventProps) {
 
         {/* Check Types */}
         {checks.length > 0 && (
-          <div className="flex flex-col gap-1.5">
-            <Label className="text-xs text-muted-foreground">Check Types</Label>
-            <div className="flex flex-wrap gap-1.5">
-              {checks.map((check) => (
-                <Badge
-                  key={check}
-                  variant="secondary"
-                  className="h-5 px-2 text-xs"
-                >
-                  {getCheckTypeName(check)}
-                </Badge>
-              ))}
-            </div>
+          <div className="flex flex-wrap gap-1.5">
+            {checks.map((check) => (
+              <Badge
+                key={check}
+                variant="secondary"
+                className="h-5 px-2 text-xs"
+              >
+                {getCheckTypeName(check)}
+              </Badge>
+            ))}
           </div>
         )}