Revert "gnu: Add sbcl-dbus."

Remove sbcl-dbus because it depends on sbcl-cl-xmlspam, which is
currently non-free.

This reverts commit 7af213fefe.

gnu/packages/lisp.scm

@@ -6608,39 +6608,3 @@ also makes it easy to shift paradigms when necessary - the usual Lisp control
 constructs can be used interchangeably with pattern matching, and the full
 power of CXML is available when necessary.")
     (license #f)))
-
-(define-public sbcl-dbus
-  (let ((commit "24b452df3a45ca5dc95015500f34baad175c981a")
-        (revision "1"))
-    (package
-      (name "sbcl-dbus")
-      (build-system asdf-build-system/sbcl)
-      (version (git-version "20190408" revision commit))
-      (home-page "https://github.com/death/dbus")
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url home-page)
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0fw2q866yddbf23nk9pxphm9gsasx35vjyss82xzvndnjmzlqfl5"))))
-      (inputs
-       `(("alexandria" ,sbcl-alexandria)
-         ("trivial-garbage" ,sbcl-trivial-garbage)
-         ("babel" ,sbcl-babel)
-         ("iolib" ,sbcl-iolib)
-         ("iolib+multiplex" ,sbcl-iolib+multiplex)
-         ("iolib+syscalls" ,sbcl-iolib+syscalls)
-         ("iolib+streams" ,sbcl-iolib+streams)
-         ("iolib+sockets" ,sbcl-iolib+sockets)
-         ("ieee-floats" ,sbcl-ieee-floats)
-         ("flexi-streams" ,sbcl-flexi-streams)
-         ("cl-xmlspam" ,sbcl-cl-xmlspam)
-         ("ironclad" ,sbcl-ironclad)))
-      (synopsis "D-Bus client library for Common Lisp")
-      (description "This is a Common Lisp library that allows to publish D-Bus
-objects as well as send and notify other objects connected to a bus.")
-      (license license:bsd-2))))