Report error on non-top-level type aliases (unsupported in 1.1).

Get rid of nested type aliases in project.

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

@@ -21098,12 +21098,6 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             doTest(fileName);
         }
 
-        @TestMetadata("localTypeAlias.kt")
-        public void testLocalTypeAlias() throws Exception {
-            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/typealias/localTypeAlias.kt");
-            doTest(fileName);
-        }
-
         @TestMetadata("simple.kt")
         public void testSimple() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/typealias/simple.kt");

js/js.translator/testData/box/inlineMultiModule/typealiases.kt

@@ -10,6 +10,7 @@ object O {
 }
 
 class C {
+    @Suppress("TOPLEVEL_TYPEALIASES_ONLY")
     typealias B = O
 }