maptool: remove dependency pins and move to by-name

pkgs/by-name/ma/maptool/package.nix

@@ -124,7 +124,7 @@ stdenvNoCC.mkDerivation {
 
     dest=$out/bin
     install -dm755 "$dest"
-    makeWrapper ${jre}/bin/java "$dest"/${binName} \
+    makeWrapper ${lib.getExe jre} "$dest"/${binName} \
       "''${gappsWrapperArgs[@]}" \
       --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ ffmpeg ]} \
       --add-flags "${lib.concatStringsSep " " jvmArgs} net.rptools.maptool.client.LaunchInstructions"

pkgs/top-level/all-packages.nix

@@ -13862,14 +13862,6 @@ with pkgs;
 
   liquidwar5 = callPackage ../games/liquidwar/5.nix { };
 
-  maptool = callPackage ../games/maptool {
-    # MapTool is fussy about which JRE it uses; OpenJDK will leave it hanging
-    # at launch in a class initialization deadlock. MapTool ships Temurin with
-    # their pre-built releases so we might as well use it too.
-    jre = temurin-bin-21;
-    openjfx = openjfx21;
-  };
-
   mindustry-wayland = callPackage ../by-name/mi/mindustry/package.nix {
     enableWayland = true;
   };