Adopt native-image macro changes

Author: gilles-duboscq

mx.truffleruby/mx_truffleruby.py

@@ -153,8 +153,8 @@ def ruby_testdownstream_sulong(args):
             main_class='org.truffleruby.launcher.RubyLauncher',
             build_args=[
                 '--language:llvm',
-                '--language:ruby',
             ],
+            language='ruby',
             links=['bin/<exe:ruby>'],
         )
     ],

mx.truffleruby/native-image.properties

@@ -1,12 +1,7 @@
 # This file contains native-image arguments needed to build truffleruby
 #
 
-ImageName = truffleruby
-
-Requires = tool:truffle tool:nfi
-
-LauncherClass = org.truffleruby.launcher.RubyLauncher
-LauncherClassPath = languages/ruby/truffleruby-annotations.jar:languages/ruby/truffleruby-shared.jar:lib/graalvm/launcher-common.jar:lib/graalvm/truffleruby-launcher.jar
+Requires = language:nfi
 
 Args = -H:MaxRuntimeCompileMethods=5400 \
        -H:SubstitutionResources=org/truffleruby/aot/substitutions.json \