removed the link to the openssl document as it wasn't working and was screwing up the build

Author: macdaddie

docs/useful_ssl/Useful_OpenSSL.md

@@ -319,7 +319,7 @@ mount -t smbfs //[email protected]/CSW01 /<path_to_mount_point/<mount_point>
 [source, bash]
 mount_smbfs //[email protected]/CSW01 /<path_to_mount_point/<mount_point>
 
-== link:./useful_ssl/Useful_OpenSSL.md[useful Openssl]
+== Useful Openssl
 
 === Encrypt a file using OpenSSL