9210 remove KMDB branch debugging support
9211 ::crregs could do with cr2/cr3 support
9209 ::ttrace should be able to filter by thread
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>

@@ -20,14 +20,14 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright 2018 Joyent, Inc.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 /*
  * isa-dependent portions of the kmdb target
  */
 
 #include <mdb/mdb_kreg_impl.h>

@@ -375,17 +375,10 @@
         }
 
         return (0);
 }
 
-/*ARGSUSED*/
-int
-kmt_step_branch(mdb_tgt_t *t)
-{
-        return (set_errno(EMDB_TGTHWNOTSUP));
-}
-
 static const char *
 regno2name(int idx)
 {
         const mdb_tgt_regdesc_t *rd;