Move callable reference diagnostic tests to non-stdlib

compiler/testData/diagnostics/tests/callableReference/function/longQualifiedName.txt

@@ -0,0 +1,20 @@
+package
+
+internal fun main(): kotlin.Unit
+
+package a {
+
+    package a.b {
+
+        package a.b.c {
+
+            internal final class D {
+                public constructor D()
+                public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+                internal final fun foo(): kotlin.Int
+                public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+                public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+            }
+        }
+    }
+}