Forbid usage of outer's generic parameter in nested class

#KT-1174 In Progress

compiler/testData/codegen/traits/stdlib.jet

@@ -19,10 +19,6 @@ class MyIterator<T>(val array : ReadOnlyArray<T>) : javaUtilIterator<T> {
 trait ReadOnlyArray<out T> : ISized, Iterable<T> {
   fun get(index : Int) : T
 
-  class Default {
-    fun check(v: Any) =  v is T
-  }
-
   override fun iterator() : Iterator<T> = MyIterator<T>(this)
 }
 

compiler/testData/codegen/typeInfo/inner.jet

@@ -1,9 +1,9 @@
 class Box<T>() {
-    open class Inner () {
+    open inner class Inner () {
         fun isT(s : Any) = if(s is T) "OK" else "fail"
     }
 
-    class Inner2() : Inner() {
+    inner class Inner2() : Inner() {
     }
 
     fun inner() = Inner2()