8a2514bdfd594490e0a459fa72364af995a56ddb
hiram
  Sat Dec 5 23:07:19 2020 -0800
no longer need the warning about excessive time with the keyList option refs #23891

diff --git src/utils/twoBitDup/twoBitDup.c src/utils/twoBitDup/twoBitDup.c
index dca16dd..30624f1 100644
--- src/utils/twoBitDup/twoBitDup.c
+++ src/utils/twoBitDup/twoBitDup.c
@@ -11,33 +11,30 @@
 #include "math.h"
 #include "udc.h"
 #include <openssl/md5.h>
 
 // static char const rcsid[] = "$Id: newProg.c,v 1.30 2010/03/24 21:18:33 hiram Exp $";
 
 void usage()
 /* Explain usage and exit. */
 {
 errAbort(
   "twoBitDup - check to see if a twobit file has any identical sequences in it\n"
   "usage:\n"
   "   twoBitDup file.2bit\n"
   "options:\n"
   "  -keyList=file - file to write a key list, two columns: md5sum and sequenceName\n"
-  "                   NOTE: use of keyList is very time expensive for 2bit files\n"
-  "                   with a large number of sequences (> 5,000).  Better to\n"
-  "                   use a cluster run with the doIdKeys.pl automation script.\n"
   "  -udcDir=/dir/to/cache - place to put cache for remote bigBed/bigWigs\n"
   "\nexample: twoBitDup -keyList=stdout db.2bit \\\n"
   "          | grep -v 'are identical' | sort > db.idKeys.txt"
   );
 }
 
 static char *keyList = NULL;
 
 static struct optionSpec options[] = {
    {"keyList", OPTION_STRING},
    {"udcDir", OPTION_STRING},
    {NULL, 0},
 };
 
 void twoBitDup(char *filename)