fix(p2p-intel): Remove ash-incompatible redirection in for loop

The 2>/dev/null in for loop header causes syntax error in BusyBox ash.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

package/secubox/secubox-p2p-intel/files/usr/lib/p2p-intel/validator.sh

@@ -260,7 +260,7 @@ process_received() {
 get_validated() {
     echo "["
     local first=1
-    for f in "$VALIDATED_DIR"/*.json 2>/dev/null; do
+    for f in "$VALIDATED_DIR"/*.json; do
         [ -f "$f" ] || continue
         [ "$first" = "1" ] || echo ","
         cat "$f"