JS: do not use "-no-stdlib" in non-relevant tests

Rename some Ant tests: "simple[...]" -> "simpleWithoutStdlib[...]" and
"simpleWithStdlib[...]" -> "simple[...]"

compiler/testData/integration/ant/js/simple/build.xml

@@ -2,6 +2,6 @@
   <taskdef resource="org/jetbrains/kotlin/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
 
   <target name="build">
-    <kotlin2js src="${test.data}/root1" noStdlib="true" output="${temp}/out.js"/>
+    <kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call"/>
   </target>
 </project>

compiler/testData/integration/ant/js/simple/root1/foo.kt

@@ -1,3 +1,12 @@
 package foo
 
-fun box(): String = "OK"
+var ok = "FAIL"
+
+val hello = Pair("Hello", "World")
+
+fun main() {
+    ok = "OK"
+    println(hello.first + " " + hello.second)
+}
+
+fun box(): String = ok