Do not remove test case sources in glibc-rh1469536.patch

Removing it from the Makefile is sufficient.  This avoids conflicts.

glibc-rh1469536.patch

@@ -92,137 +92,3 @@ index 88079fc..7caf101 100644
  };
  
  
-diff --git a/sysdeps/unix/sysv/linux/s390/tst-ptrace-singleblock.c b/sysdeps/unix/sysv/linux/s390/tst-ptrace-singleblock.c
-deleted file mode 100644
-index 95a2f55..0000000
---- a/sysdeps/unix/sysv/linux/s390/tst-ptrace-singleblock.c
-+++ /dev/null
-@@ -1,128 +0,0 @@
--/* Testing s390x PTRACE_SINGLEBLOCK ptrace request.
--   Copyright (C) 2017 Free Software Foundation, Inc.
--   This file is part of the GNU C Library.
--
--   The GNU C Library is free software; you can redistribute it and/or
--   modify it under the terms of the GNU Lesser General Public
--   License as published by the Free Software Foundation; either
--   version 2.1 of the License, or (at your option) any later version.
--
--   The GNU C Library is distributed in the hope that it will be useful,
--   but WITHOUT ANY WARRANTY; without even the implied warranty of
--   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
--   Lesser General Public License for more details.
--
--   You should have received a copy of the GNU Lesser General Public
--   License along with the GNU C Library; if not, see
--   <http://www.gnu.org/licenses/>.  */
--
--#include <stdio.h>
--#include <stdlib.h>
--#include <string.h>
--#include <unistd.h>
--#include <sys/wait.h>
--#include <sys/types.h>
--#include <sys/uio.h>
--#include <elf.h>
--#include <support/xunistd.h>
--#include <support/check.h>
--
--/* Ensure that we use the PTRACE_SINGLEBLOCK definition from glibc ptrace.h
--   in tracer_func.  We need the kernel ptrace.h for structs ptrace_area
--   and gregset_t.  */
--#include <sys/ptrace.h>
--static const enum __ptrace_request req_singleblock = PTRACE_SINGLEBLOCK;
--#include <asm/ptrace.h>
--
--static void
--tracee_func (int pid)
--{
--  /* Dump the mapping information for manual inspection of the printed
--     tracee addresses.  */
--  char str[80];
--  sprintf (str, "cat /proc/%d/maps", pid);
--  puts (str);
--  system (str);
--  fflush (stdout);
--
--  TEST_VERIFY_EXIT (ptrace (PTRACE_TRACEME) == 0);
--  /* Stop tracee.  Afterwards the tracer_func can operate.  */
--  kill (pid, SIGSTOP);
--
--  puts ("The PTRACE_SINGLEBLOCK of the tracer will stop after: "
--	"brasl %r14,<puts@plt>!");
--}
--
--static void
--tracer_func (int pid)
--{
--  unsigned long last_break;
--  ptrace_area parea;
--  gregset_t regs;
--  struct iovec parea2;
--  gregset_t regs2;
--
--  int status;
--
--  while (1)
--    {
--      /* Wait for the tracee to be stopped or exited.  */
--      wait (&status);
--      if (WIFEXITED (status))
--	break;
--
--      /* Get information about tracee: gprs, last breaking address.  */
--      parea.len = sizeof (regs);
--      parea.process_addr = (unsigned long) &regs;
--      parea.kernel_addr = 0;
--      TEST_VERIFY_EXIT (ptrace (PTRACE_PEEKUSR_AREA, pid, &parea) == 0);
--      TEST_VERIFY_EXIT (ptrace (PTRACE_GET_LAST_BREAK, pid, NULL, &last_break)
--			== 0);
--
--      parea2.iov_len = sizeof (regs2);
--      parea2.iov_base = &regs2;
--      TEST_VERIFY_EXIT (ptrace (PTRACE_GETREGSET, pid, NT_PRSTATUS, &parea2)
--			== 0);
--      TEST_VERIFY_EXIT (parea2.iov_len == sizeof (regs2));
--
--      /* Test if gprs obtained by PTRACE_PEEKUSR_AREA and PTRACE_GETREGESET
--	 have the same values.  */
--      TEST_VERIFY_EXIT (memcmp (&regs, &regs2, sizeof (regs)) == 0);
--
--      printf ("child IA: %p last_break: %p\n",
--	      (void *) regs[1], (void *) last_break);
--
--      /* Execute tracee until next taken branch.
--
--	 Note:
--	 Before the commit which introduced this testcase,
--	 <glibc>/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
--	 uses ptrace-request 12 for PTRACE_GETREGS,
--	 but <kernel>/include/uapi/linux/ptrace.h
--	 uses 12 for PTRACE_SINGLEBLOCK.
--
--	 The s390 kernel has no support for PTRACE_GETREGS!
--	 Thus glibc ptrace.h is adjusted to match kernel ptrace.h.
--
--	 This test ensures, that PTRACE_SINGLEBLOCK defined in glibc
--	 works as expected.  If the kernel would interpret it as
--	 PTRACE_GETREGS, then the tracee will not make any progress
--	 and this testcase will time out.  */
--      TEST_VERIFY_EXIT (ptrace (req_singleblock, pid, NULL, NULL) == 0);
--    }
--}
--
--static int
--do_test (void)
--{
--  int pid;
--  pid = xfork ();
--  if (pid)
--    tracer_func (pid);
--  else
--    tracee_func (getpid ());
--
--  return EXIT_SUCCESS;
--}
--
--#include <support/test-driver.c>