Do not run telinit u on upgrades (#1579225)

glibc_post_upgrade.c

@@ -136,33 +136,6 @@ main (void)
 		    "--nostdlib", iconv_dir);
     }
 
-  /* Check if telinit is available and either SysVInit fifo,
-     or upstart telinit.  */
-  if (access ("/sbin/telinit", X_OK)
-      || ((!!access ("/dev/initctl", F_OK))
-	  ^ !access ("/sbin/initctl", X_OK)))
-    _exit (0);
-
-  /* Check if we are not inside of some chroot, because we'd just
-     timeout and leave /etc/initrunlvl.
-
-     On more modern systems this test is not sufficient to detect
-     if we're in a chroot.  */
-  if (readlink ("/proc/1/exe", initpath, 256) <= 0 ||
-      readlink ("/proc/1/root", initpath, 256) <= 0)
-    _exit (0);
-
-  /* Here's another well known way to detect chroot, at least on an
-     ext and xfs filesystems and assuming nothing mounted on the chroot's
-     root. */
-  if (stat ("/", &statbuf) != 0
-      || (statbuf.st_ino != 2
-	  && statbuf.st_ino != 128))
-    _exit (0);
-
-  if (check_elf ("/proc/1/exe"))
-    verbose_exec (116, "/sbin/telinit", "/sbin/telinit", "u");
-
   _exit(0);
 }