thread_pthread.c (ubf_timer_destroy): remove redundant getpid check
TIMER_THREAD_CREATED_P already checks that pid, and glibc 2.25+ no longer caches getpid(2).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64524 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread_pthread.c (ubf_timer_destroy): remove redundant getpid check
TIMER_THREAD_CREATED_P already checks that pid, and glibc 2.25+
no longer caches getpid(2).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64524 b2dd03c8-39d4-4d8f-98ff-823fe69b080e