Merge pull request #8790 from shintaro-iwasaki/topic/thread_remove_dup

opal/mca/threads/argobots/Makefile.am

opal/mca/threads/argobots/configure.m4

opal/mca/threads/argobots/threads_argobots_mutex.h

opal/mca/threads/argobots/threads_argobots_wait_sync.c

opal/mca/threads/argobots/threads_argobots_wait_sync.h

opal/mca/threads/base/Makefile.am

opal/mca/threads/base/mutex.c

opal/mca/threads/base/wait_sync.c

opal/mca/threads/mutex.h

opal/mca/threads/pthreads/Makefile.am

opal/mca/threads/pthreads/configure.m4

opal/mca/threads/pthreads/threads_pthreads_mutex.c

opal/mca/threads/pthreads/threads_pthreads_mutex.h

opal/mca/threads/pthreads/threads_pthreads_wait_sync.h

opal/mca/threads/qthreads/Makefile.am

opal/mca/threads/qthreads/configure.m4

opal/mca/threads/qthreads/threads_qthreads_mutex.c

opal/mca/threads/qthreads/threads_qthreads_mutex.h

opal/mca/threads/qthreads/threads_qthreads_wait_sync.c

opal/mca/threads/qthreads/threads_qthreads_wait_sync.h