nptl: Remove pread from libpthread

The libc version is identical and built with same flags, it is also
uses as the default version.

Checked on x86_64-linux-gnu.

sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist

@@ -1809,6 +1809,7 @@ GLIBC_2.2 __getmntent_r F
 GLIBC_2.2 __lxstat64 F
 GLIBC_2.2 __nl_langinfo_l F
 GLIBC_2.2 __open64 F
+GLIBC_2.2 __pread64 F
 GLIBC_2.2 __res_init F
 GLIBC_2.2 __res_nclose F
 GLIBC_2.2 __res_ninit F
@@ -1898,6 +1899,8 @@ GLIBC_2.2 posix_spawnattr_setschedpolicy F
 GLIBC_2.2 posix_spawnattr_setsigdefault F
 GLIBC_2.2 posix_spawnattr_setsigmask F
 GLIBC_2.2 posix_spawnp F
+GLIBC_2.2 pread F
+GLIBC_2.2 pread64 F
 GLIBC_2.2 putwc F
 GLIBC_2.2 putwc_unlocked F
 GLIBC_2.2 putwchar F

sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist

@@ -107,7 +107,6 @@ GLIBC_2.12 pthread_mutexattr_setrobust F
 GLIBC_2.12 pthread_setname_np F
 GLIBC_2.18 pthread_getattr_default_np F
 GLIBC_2.18 pthread_setattr_default_np F
-GLIBC_2.2 __pread64 F
 GLIBC_2.2 __pthread_rwlock_destroy F
 GLIBC_2.2 __pthread_rwlock_init F
 GLIBC_2.2 __pthread_rwlock_rdlock F
@@ -117,8 +116,6 @@ GLIBC_2.2 __pthread_rwlock_unlock F
 GLIBC_2.2 __pthread_rwlock_wrlock F
 GLIBC_2.2 __pwrite64 F
 GLIBC_2.2 __res_state F
-GLIBC_2.2 pread F
-GLIBC_2.2 pread64 F
 GLIBC_2.2 pthread_attr_getstack F
 GLIBC_2.2 pthread_attr_setstack F
 GLIBC_2.2 pthread_barrier_destroy F

sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist

@@ -14,7 +14,6 @@ GLIBC_2.2 __h_errno_location F
 GLIBC_2.2 __libc_allocate_rtsig F
 GLIBC_2.2 __libc_current_sigrtmax F
 GLIBC_2.2 __libc_current_sigrtmin F
-GLIBC_2.2 __pread64 F
 GLIBC_2.2 __pthread_getspecific F
 GLIBC_2.2 __pthread_key_create F
 GLIBC_2.2 __pthread_mutex_destroy F
@@ -45,8 +44,6 @@ GLIBC_2.2 flockfile F
 GLIBC_2.2 ftrylockfile F
 GLIBC_2.2 funlockfile F
 GLIBC_2.2 longjmp F
-GLIBC_2.2 pread F
-GLIBC_2.2 pread64 F
 GLIBC_2.2 pthread_atfork F
 GLIBC_2.2 pthread_attr_getguardsize F
 GLIBC_2.2 pthread_attr_getstack F