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

Get rid of nested type aliases in project.

compiler/testData/compileKotlinAgainstKotlin/annotationsOnTypeAliases.kt

@@ -9,11 +9,6 @@ import java.lang.Class
 @Retention(RUNTIME)
 annotation class Ann(val x: Int)
 
-class C {
-    @Ann(1)
-    typealias TA = Any
-}
-
 @Ann(2)
 typealias TA = Any
 
@@ -28,7 +23,6 @@ fun Class<*>.assertHasDeclaredMethodWithAnn() {
 
 fun box(): String {
     Class.forName("a.AKt").assertHasDeclaredMethodWithAnn()
-    Class.forName("a.C").assertHasDeclaredMethodWithAnn()
 
     return "OK"
 }

compiler/testData/compileKotlinAgainstKotlin/typeAliasesKt13181.kt

@@ -1,14 +1,15 @@
 // FILE: A.kt
-class Foo<out T>(val t: T) {
-    typealias Bar = (T) -> String
+typealias Bar<T> = (T) -> String
 
-    fun baz(b: Bar) = b(t)
+class Foo<out T>(val t: T) {
+
+    fun baz(b: Bar<T>) = b(t)
 }
 
 // FILE: B.kt
 class FooTest {
     fun baz(): String {
-        val b: Foo<String>.Bar = { "OK" }
+        val b: Bar<String> = { "OK" }
         return Foo("").baz(b)
     }
 }