Adopt changing CallNode#name type to String

Author: andrykonchin

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

@@ -423,7 +423,7 @@ public RubyNode visitBreakNode(Nodes.BreakNode node) {
     }
 
     public RubyNode visitCallNode(Nodes.CallNode node) {
-        var methodName = toString(node.name);
+        var methodName = node.name;
         var receiver = node.receiver == null ? new SelfNode() : node.receiver.accept(this);
         final Nodes.Node[] arguments;
 
@@ -1876,11 +1876,6 @@ protected boolean isSideEffectFreeRescueExpression(Nodes.Node node) {
                 node instanceof Nodes.NilNode;
     }
 
-    private String toString(byte[] bytes) {
-        return TStringUtils.toJavaStringOrThrow(
-                TruffleString.fromByteArrayUncached(bytes, sourceEncoding.tencoding, false), sourceEncoding);
-    }
-
     protected String toString(Nodes.Node node) {
         return TStringUtils.toJavaStringOrThrow(TruffleString.fromByteArrayUncached(sourceBytes, node.startOffset,
                 node.length, sourceEncoding.tencoding, false), sourceEncoding);