fix #21819: MapDust is deprecated and API no longer works (patch by jBeata)

git-svn-id: https://josm.openstreetmap.de/svn/trunk@18368 0c6e7542-c601-0410-84e7-c038aed88b3b

Author: taylor.smock

src/org/openstreetmap/josm/plugins/PluginHandler.java

@@ -167,7 +167,8 @@ public final class PluginHandler {
             new DeprecatedPlugin("javafx-osx", inCore),
             new DeprecatedPlugin("javafx-unixoid", inCore),
             new DeprecatedPlugin("javafx-windows", inCore),
-            new DeprecatedPlugin("wikidata", tr(replacedByPlugin, "osmwiki-dataitem"))
+            new DeprecatedPlugin("wikidata", tr(replacedByPlugin, "osmwiki-dataitem")),
+            new DeprecatedPlugin("mapdust", noLongerRequired)
         );
         Collections.sort(DEPRECATED_PLUGINS);
     }