liquidwar: migrate to by-name

pkgs/by-name/li/liquidwar/package.nix

@@ -11,7 +11,7 @@
   expat,
   gettext,
   perl,
-  guile,
+  guile_2_0,
   SDL,
   SDL_image,
   SDL_mixer,
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     xorgproto
     libX11
     gmp
-    guile
+    guile_2_0
     libjpeg
     libpng
     expat

pkgs/top-level/all-packages.nix

@@ -12682,12 +12682,6 @@ with pkgs;
     pythonSupport = true;
   };
 
-  liquidwar = callPackage ../games/liquidwar {
-    guile = guile_2_0;
-  };
-
-  liquidwar5 = callPackage ../games/liquidwar/5.nix { };
-
   mindustry-wayland = callPackage ../by-name/mi/mindustry/package.nix {
     enableWayland = true;
   };