*: rename ATTRIBUTE_XXX to just XXX.

applets/applets.c

@@ -11,7 +11,7 @@
 #include "busybox.h"
 
 #if ENABLE_BUILD_LIBBUSYBOX
-int main(int argc ATTRIBUTE_UNUSED, char **argv)
+int main(int argc UNUSED_PARAM, char **argv)
 {
 	return lbb_main(argv);
 }