built_in: Remove unnecessary #include <built_in.h> from several headers

These are not needed in the headers themselves and are pulled in in the
.c file where necessary.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 0 insertions, 2 deletions

diff --git a/locking.h b/locking.h
index 95f1341..51034b3 100644
--- a/locking.h
+++ b/locking.h
@@ -3,8 +3,6 @@
 
 #include <pthread.h>
 
-#include "built_in.h"
-
 struct spinlock {
 	pthread_spinlock_t lock;
 };