Delete that line from your modules list.
SSL support is compiled into lighttpd and is not a separate module.
If your version has this support compiled in the output of lighttpd -v will include (ssl).
[root@APPS /]# lighttpd -vlighttpd/1.4.36 (ssl) - a light and fast webserverBuild-Date: Jul 27 2015 14:27:26[root@APPS /]#The actual work is done by the OpenSSL library which must also be installed.