checksum.c: Remove a now useless include

It is a follow-up to 94f232c1ab0143c6da9fc00732b6b241b8abdf4c
where the assert() call was removed.

1 files changed, 0 insertions, 1 deletions

diff --git a/checksum.c b/checksum.c
index d8fa944a..b121dc2c 100644
--- a/checksum.c
+++ b/checksum.c
@@ -26,7 +26,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
 
 #include "netdissect.h"