Reverts 1fe8e0f074c77aa41aaa579345a9e675acbebfa9

--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -2,9 +2,6 @@
 #define _UAPI_IF_TUNNEL_H_
 
 #include <linux/types.h>
-#include <linux/if.h>
-#include <linux/ip.h>
-#include <linux/in6.h>
 #include <asm/byteorder.h>