gnu: installer: Remove enlightenment desktop option.

* gnu/installer/services.scm (%system-services): Remove
enlightenment-desktop-service-type.
* gnu/tests/install.scm (installation-target-desktop-os-for-gui-tests):
Remove enlightenment-desktop-service-type.
* etc/manifests/cross-compile.scm (%system-packages): Remove
enlightenment.
* etc/manifests/release.scm (%system-packages): Remove enlightenment.

Change-Id: I79cd8fc13ea0fda5eef72aee783b26edc77dcb5e

etc/manifests/cross-compile.scm

@@ -74,8 +74,7 @@ TARGET."
 (define %system-gui-packages
   ;; Key packages proposed by the Guix System installer.
   (append (map specification->package
-               '("enlightenment"
-                 ;; build system `python' does not support cross builds
+               '(;; build system `python' does not support cross builds
                  ;"gnome" "xfce" "mate" "openbox"
                  "awesome"
                  "i3-wm" "i3status" "dmenu" "st"

etc/manifests/release.scm

@@ -45,7 +45,7 @@ TARGET."
   ;; Key packages proposed by the Guix System installer.
   (append (map specification->package
                '("guix" "shepherd"
-                 "gnome" "xfce" "mate" "enlightenment"
+                 "gnome" "xfce" "mate"
                  "icewm" "openbox" "awesome"
                  "i3-wm" "i3status" "dmenu" "st"
                  "ratpoison" "xterm"

gnu/installer/services.scm

@@ -80,9 +80,6 @@
      (desktop-environment
       (name "MATE")
       (snippet '((service mate-desktop-service-type))))
-     (desktop-environment
-      (name "Enlightenment")
-      (snippet '((service enlightenment-desktop-service-type))))
      (desktop-environment
       (name "Icewm")
       (snippet '((specification->package "icewm"))))

gnu/tests/install.scm

@@ -2001,7 +2001,6 @@ build (current-guix) and then store a couple of full system images.")
       (list (service gnome-desktop-service-type)
             (service xfce-desktop-service-type)
             (service mate-desktop-service-type)
-            (service enlightenment-desktop-service-type)
             (set-xorg-configuration
              (xorg-configuration
               (keyboard-layout keyboard-layout)))