pthread_deadlock: was already moved to LKMC

Author: cirosantilli

posix/README.md

@@ -20,7 +20,6 @@
 1.  [syslog](syslog.c)
 1.  [getrusage](getrusage.c)
 1.  [pthread](pthread.md)
-    1. [pthread_deadlock](pthread_deadlock.c)
     1. [pthread array sum](interactive/pthread_array_sum.c)
     1. [pthread CPU heavy work](interactive/pthread_cpu_heavy_work.c)
 1.  [Regex](regex.c)