Remove the last reference of git_net_direction enum

include/git2/types.h

@@ -180,9 +180,6 @@ typedef struct git_remote git_remote;
 /** A transport to use */
 typedef struct git_transport git_transport;
 
-/** Whether to push or pull */
-typedef enum git_net_direction git_net_direction;
-
 typedef int (*git_transport_cb)(git_transport **transport);
 
 typedef struct git_remote_head git_remote_head;