ctld(8) doesn't require -lcam or -lssl; remove those from DPADD and LDADD.

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274277 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Improve wording in ctl.conf(5).

Differential Revision:	https://reviews.freebsd.org/D1020
Reviewed by:	bcr@ (earlier version), wblock@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274278 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f