JS: unmute shared box test that now passes

compiler/testData/codegen/box/closures/closureInsideClosure/propertyAndFunctionNameClash.kt

@@ -1,7 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-// on JS item local variable clashes with ListTag.item() extension function
-
 package d
 
 fun box(): String {

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -4382,13 +4382,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             @TestMetadata("propertyAndFunctionNameClash.kt")
             public void testPropertyAndFunctionNameClash() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/closures/closureInsideClosure/propertyAndFunctionNameClash.kt");
-                try {
-                    doTest(fileName);
-                }
-                catch (Throwable ignore) {
-                    return;
-                }
-                throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+                doTest(fileName);
             }
 
             @TestMetadata("threeLevels.kt")