Disable busybox ar

package/busybox/busybox.config

@@ -36,8 +36,7 @@ PREFIX="./_install"
 #
 # Archival Utilities
 #
-CONFIG_AR=y
-CONFIG_FEATURE_AR_LONG_FILENAMES=y
+# CONFIG_AR is not set
 CONFIG_BUNZIP2=y
 # CONFIG_CPIO is not set
 # CONFIG_DPKG is not set