fix: removed unnecessary "interface" initialization on test suite

runtime-testsuite/test/org/antlr/v4/test/runtime/javascript/BaseNodeTest.java

@@ -627,7 +627,6 @@ public class BaseNodeTest implements RuntimeTestSupport {
 						+ "var <visitorName> = require('./<visitorName>').<visitorName>;\n"
 						+ "\n"
 						+ "function TreeShapeListener() {\n"
-						+ "	antlr4.tree.ParseTreeListener.call(this);\n"
 						+ "	return this;\n"
 						+ "}\n"
 						+ "\n"

tool/resources/org/antlr/v4/tool/templates/codegen/JavaScript/JavaScript.stg

@@ -66,7 +66,6 @@ var antlr4 = require('antlr4/index');
 
 // This class defines a complete listener for a parse tree produced by <file.parserName>.
 function <file.grammarName>Listener() {
-	antlr4.tree.ParseTreeListener.call(this);
 	return this;
 }