gnu: Remove gnurobots.

* gnu/packages/games.scm (gnurobots): Delete variable.

Fixes: guix/guix#2102
Change-Id: I6ccdebbb48980cc03de05413b5058be0b92da73d

gnu/packages/games.scm

@@ -11502,50 +11502,6 @@ player adaptability for character progression.")
      (modify-inputs (package-native-inputs harmonist)
        (prepend pkg-config)))))
 
-(define-public gnurobots
-  (package
-    (name "gnurobots")
-    (version "1.2.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "mirror://gnu/gnurobots/gnurobots-"
-                           version ".tar.gz"))
-       (sha256
-        (base32
-         "07gi3lsmbzzsjambgixj6xy79lh22km84z7bnzgwzxdy806lyvwb"))))
-    (build-system gnu-build-system)
-    (inputs
-     (list glib gtk+-2 vte/gtk+-2 readline guile-1.8 libxcrypt))
-    (native-inputs
-     (list pkg-config))
-    (arguments
-     `(#:make-flags
-       (list
-        ;; Do not abort build on "deprecated-declarations" warnings.
-        "CFLAGS=-Wno-error=deprecated-declarations"
-        ;; Find readline headers in sub-directory.
-        (string-append "READLINE_CFLAGS=-I"
-                       (assoc-ref %build-inputs "readline")
-                       "/include/readline/"))
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'install-doc
-           (lambda* (#:key outputs #:allow-other-keys)
-             (install-file "doc/Robots-HOWTO"
-                           (string-append (assoc-ref outputs "out")
-                                          "/share/doc/gnurobots-"
-                                          ,version))
-             #t)))))
-    (home-page "https://www.gnu.org/software/gnurobots/")
-    (synopsis "Program a little robot and watch it explore a world")
-    (description
-     "GNU Robots is a game in which you program a robot to explore a world
-full of enemies that can hurt it, obstacles and food to be eaten.  The goal of
-the game is to stay alive and collect prizes.  The robot program conveniently
-may be written in a plain text file in the Scheme programming language.")
-    (license license:gpl3+)))
-
 (define-public li-ri
   (package
     (name "li-ri")