fix static linking dependency bloat with cancellation

previously, pthread_cleanup_push/pop were pulling in all of
pthread_create due to dependency on the __pthread_unwind_next
function. this was not needed, as cancellation cleanup handlers can
never be called unless pthread_exit or pthread_cancel is reachable.

1 files changed, 0 insertions, 0 deletions

diff --git a/src/thread/cancellation3.c b/src/thread/cancellation3.c
deleted file mode 100644
index e69de29b..00000000
--- a/src/thread/cancellation3.c
+++ /dev/null