Remove module integration-tests, merge into compiler-tests

compiler/testData/integration/smoke/simpleScript/script.expected

@@ -0,0 +1,5 @@
+OUT:
+hi
+there
+
+Return code: 0

compiler/testData/integration/smoke/simpleScript/script.kts

@@ -0,0 +1,3 @@
+for (arg in args) {
+    println(arg)
+}