patches: cleanup patches for strace 4.5.19

Old series of patches:
1) update configure with old patch for 4.5.18
2) update configure.ac
3) update configure again, effectively reverting changes
   from 1).

Remove patch 1) and regenerate patch 3)

Signed-off-by: Kirill K. Smirnov <kirill.k.smirnov@gmail.com>

patches/strace/4.5.19/170-update-configure.patch

@@ -59,81 +59,7 @@ diff -ruN strace-4.5.19.orig/configure strace-4.5.19/configure
 
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
  $as_echo_n "checking return type of signal handlers... " >&6; }
-@@ -5773,73 +5811,6 @@
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
- /* end confdefs.h.  */
-
--echo "$as_me:$LINENO: checking for statfs64 in sys/(statfs|vfs).h" >&5
--echo $ECHO_N "checking for statfs64 in sys/(statfs|vfs).h... $ECHO_C" >&6
--if test "${ac_cv_type_statfs64+set}" = set; then
--  echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--  cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#ifdef LINUX
--#include <linux/types.h>
--#include <sys/statfs.h>
--#else
--#include <sys/vfs.h>
--#endif
--int
--main ()
--{
--struct statfs64 st;
--  ;
--  return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
--  (eval $ac_compile) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
--  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
--  (eval $ac_try) 2>&5
--  ac_status=$?
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest.$ac_objext'
--  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
--  (eval $ac_try) 2>&5
--  ac_status=$?
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); }; }; then
--  ac_cv_type_statfs64=yes
--else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_type_statfs64=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--fi
--
--echo "$as_me:$LINENO: result: $ac_cv_type_statfs64" >&5
--echo "${ECHO_T}$ac_cv_type_statfs64" >&6
--if test "$ac_cv_type_statfs64" = yes
--then
--
--cat >>confdefs.h <<\_ACEOF
--#define HAVE_STATFS64 1
--_ACEOF
--
--fi
--
-
- int
- main ()
-@@ -5947,7 +5918,7 @@
+@@ -5880,7 +5851,7 @@
  do :
    as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
  ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "#include <stddef.h>