Change outer scope for nested class and object -- removed implicit outer class receiver.

#KT-5362 Fixed
#KT-8814 Fixed

compiler/testData/diagnostics/tests/inner/outerGenericParam.txt

@@ -17,7 +17,7 @@ internal final class Outer</*0*/ T> {
     internal final class Nested {
         public constructor Nested()
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
-        internal final fun foo(/*0*/ t: T): T
+        internal final fun foo(/*0*/ t: [ERROR : T]): [ERROR : T]
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }