StringConcatNode is replaced by InterpolatedStringNode in latest Prism

Author: eregon

src/main/java/org/truffleruby/parser/YARPTranslator.java

@@ -2066,11 +2066,6 @@ public RubyNode visitStatementsNode(Nodes.StatementsNode node) {
         return sequence(node, Arrays.asList(rubyNodes));
     }
 
-    @Override
-    public RubyNode visitStringConcatNode(Nodes.StringConcatNode node) {
-        return defaultVisit(node);
-    }
-
     @Override
     public RubyNode visitStringNode(Nodes.StringNode node) {
         final RubyNode rubyNode;