Remove remnants of disabled "length" applet

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

coreutils/Config.src

@@ -7,12 +7,6 @@ menu "Coreutils"
 
 INSERT
 
-####config LENGTH
-####	bool "length"
-####	default y
-####	help
-####	  length is used to print out the length of a specified string.
-
 comment "Common options"
 
 config FEATURE_VERBOSE

coreutils/Kbuild.src

@@ -10,8 +10,6 @@ lib-y:=
 
 INSERT
 
-#lib-$(CONFIG_LENGTH) += length.o
-
 lib-$(CONFIG_MORE)      += cat.o   # more uses it if stdout isn't a tty
 lib-$(CONFIG_LESS)      += cat.o   # less too
 lib-$(CONFIG_CRONTAB)   += cat.o   # crontab -l

coreutils/length.c.disabled

@@ -1,31 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Licensed under GPLv2, see file LICENSE in this source tree.
- */
-
-/* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */
-
-//usage:#define length_trivial_usage
-//usage:       "STRING"
-//usage:#define length_full_usage "\n\n"
-//usage:       "Print STRING's length"
-//usage:
-//usage:#define length_example_usage
-//usage:       "$ length Hello\n"
-//usage:       "5\n"
-
-#include "libbb.h"
-
-/* This is a NOFORK applet. Be very careful! */
-
-int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int length_main(int argc, char **argv)
-{
-	if ((argc != 2) || (**(++argv) == '-')) {
-		bb_show_usage();
-	}
-
-	printf("%u\n", (unsigned)strlen(*argv));
-
-	return fflush_all();
-}