Remove unused library declarations

settings.gradle.kts

@@ -16,9 +16,7 @@ include(":lib_oodb")            // produces oodb.xtc
 include(":lib_imdb")            // produces imdb.xtc
 include(":lib_jsondb")          // produces jsondb.xtc
 include(":lib_web")             // produces web.xtc
-include(":lib_platform")        // produces platform.xtc
-include(":lib_host")            // produces host.xtc
-include(":lib_hostControl")     // produces hostControl.xtc
+
 // TODO(":wiki")
 include(":xdk")      // builds the above modules (ecstasy.xtc, javatools_bridge.xtc, json.xtc, etc.)
 // drags in Java libraries (javatools_utils, javatools), native launchers, wiki, etc.