[Gradle, JS] Remove copyright from template of node.js

^KT-40527 fixed

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/simpleNodeJs/GreetingTest.kt.vm

@@ -6,4 +6,4 @@ class GreetingTest {
     fun testGreeting() {
         assertEquals(greeting("World"), "Hello, World")
     }
-} 
+}

libraries/tools/new-project-wizard/resources/org/jetbrains/kotlin/tools/projectWizard/templates/simpleNodeJs/main.kt.vm

@@ -1,8 +1,3 @@
-/*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
 fun main() {
     println(greeting("${moduleName}"))
 }