11657 Remove old ctf tools

*** 8,18 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright (c) 2019, Joyent, Inc.
   */
  
  /*
   * Create CTF from extant debugging information
   */
--- 8,18 ----
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2019 Joyent, Inc.
   */
  
  /*
   * Create CTF from extant debugging information
   */
*** 37,48 ****
  #define CTFCONVERT_FATAL        1
  #define CTFCONVERT_USAGE        2
  
  #define CTFCONVERT_DEFAULT_NTHREADS     4
  
- #define CTFCONVERT_ALTEXEC      "CTFCONVERT_ALTEXEC"
- 
  static char *ctfconvert_progname;
  
  static void
  ctfconvert_fatal(const char *fmt, ...)
  {
--- 37,46 ----
*** 220,251 ****
          }
  
          VERIFY(ctf_type_size(fp, cpuid) == sz);
  }
  
- static void
- ctfconvert_altexec(char **argv)
- {
-         const char *alt;
-         char *altexec;
- 
-         alt = getenv(CTFCONVERT_ALTEXEC);
-         if (alt == NULL || *alt == '\0')
-                 return;
- 
-         altexec = strdup(alt);
-         if (altexec == NULL)
-                 ctfconvert_fatal("failed to allocate memory for altexec\n");
-         if (unsetenv(CTFCONVERT_ALTEXEC) != 0)
-                 ctfconvert_fatal("failed to unset %s from environment: %s\n",
-                     CTFCONVERT_ALTEXEC, strerror(errno));
- 
-         (void) execv(altexec, argv);
-         ctfconvert_fatal("failed to execute alternate program %s: %s",
-             altexec, strerror(errno));
- }
- 
  int
  main(int argc, char *argv[])
  {
          int c, ifd, err;
          boolean_t keep = B_FALSE;
--- 218,227 ----
*** 262,273 ****
          boolean_t optx = B_FALSE;
          boolean_t ignore_non_c = B_FALSE;
  
          ctfconvert_progname = basename(argv[0]);
  
-         ctfconvert_altexec(argv);
- 
          while ((c = getopt(argc, argv, ":ij:kl:L:mo:X")) != -1) {
                  switch (c) {
                  case 'i':
                          ignore_non_c = B_TRUE;
                          break;
--- 238,247 ----