[glibc] nptl: Remove unused members from struct pthread

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d55df811e95e6da6af4e414c3eef64546f8b4a2c

commit d55df811e95e6da6af4e414c3eef64546f8b4a2c
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Apr 21 09:44:48 2022 -0300

    nptl: Remove unused members from struct pthread
    
    It removes both pid_ununsed and cpuclock_offset_ununsed, saving about
    12 bytes from struct pthread.
    
    Reviewed-by: Arjun Shankar <arjun@redhat.com>

Diff:
---
 nptl/descr.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/nptl/descr.h b/nptl/descr.h
index bb46b5958e..b5852632e3 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -172,9 +172,6 @@ struct pthread
      therefore stack) used' flag.  */
   pid_t tid;
 
-  /* Ununsed.  */
-  pid_t pid_ununsed;
-
   /* List of robust mutexes the thread is holding.  */
 #if __PTHREAD_MUTEX_HAVE_PREV
   void *robust_prev;
@@ -342,10 +339,6 @@ struct pthread
   /* Lock for synchronizing setxid calls.  */
   unsigned int setxid_futex;
 
-#if HP_TIMING_INLINE
-  hp_timing_t cpuclock_offset_ununsed;
-#endif
-
   /* If the thread waits to join another one the ID of the latter is
      stored here.