[PR c++/6936] Delete duplicate test

https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00926.html
	* g++.dg/lookup/pr6936.C: Delete, identical to using38.C

From-SVN: r278096

gcc/testsuite/ChangeLog

+2019-11-12  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.dg/lookup/pr6936.C: Delete, identical to using38.C
+
 2019-11-12  Ilya Leoshkevich  <iii@linux.ibm.com>
 
 	PR rtl-optimization/92430

gcc/testsuite/g++.dg/lookup/pr6936.C

-// { dg-do compile }
-// PR c++/6936
-
-struct Baser
-{
-    enum { j, i }; // { dg-message "declared" }
-};
-
-struct Base : Baser
-{
-    static void j();
-    static void i();
-};
-
-struct Derv : Base
-{
-  using Baser::j;
-private:
-  using Baser::i;
-};
-
-int k = Derv::j;
-int l = Derv::i; // { dg-error "context" }