[GR-38026] Simplify --initialize-at-build-time args.

PullRequest: truffleruby/3346

Author: fniephaus

mx.truffleruby/native-image.properties

@@ -5,6 +5,6 @@ Requires = language:nfi language:llvm language:regex
 
 Args = -H:MaxRuntimeCompileMethods=5400 \
        -H:+AddAllCharsets \
-       --initialize-at-build-time=org.truffleruby,org.jcodings,org.joni,jline,org.fusesource
+       --initialize-at-build-time=org.truffleruby,org.jcodings,org.joni
 
 JavaArgs = -Dpolyglot.image-build-time.PreinitializeContexts=ruby