Extract usage information into a separate file.

coreutils/basename.c

@@ -24,14 +24,6 @@
 #include "internal.h"
 #include <stdio.h>
 
-const char *basename_usage="basename FILE [SUFFIX]\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
-	"\nStrips directory path and suffixes from FILE.\n"
-	"If specified, also removes any trailing SUFFIX.\n"
-#endif
-;
-
-
 extern int basename_main(int argc, char **argv)
 {
 	int m, n;