libtar: turn off debugging for block headers

Change-Id: I09e4dd2ec33457156faf99b0139d116b50cb7dc3
diff --git a/libtar/block.c b/libtar/block.c
index 2f1004b..8116736 100755
--- a/libtar/block.c
+++ b/libtar/block.c
@@ -18,8 +18,6 @@
 # include <stdlib.h>
 #endif
 
-#define DEBUG 1
-
 #ifdef HAVE_EXT4_CRYPT
 #include "ext4crypt_tar.h"
 #endif