Remove PHP_DECLARED_TIMEZONE and HAVE_DECLARED_TIMEZONE

The HAVE_DECLARED_TIMEZONE symbol usage has been introduced in
2fd8cbf
and then removed via
667a9b9.

Author: petk

acinclude.m4

@@ -1460,29 +1460,6 @@ AC_DEFUN([PHP_SOCKADDR_CHECKS], [
   fi
 ])
 
-dnl
-dnl PHP_DECLARED_TIMEZONE
-dnl
-AC_DEFUN([PHP_DECLARED_TIMEZONE],[
-  AC_CACHE_CHECK(for declared timezone, ac_cv_declared_timezone,[
-    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-#include <sys/types.h>
-#include <time.h>
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-]],[[
-    time_t foo = (time_t) timezone;
-]])],[
-  ac_cv_declared_timezone=yes
-],[
-  ac_cv_declared_timezone=no
-])])
-  if test "$ac_cv_declared_timezone" = "yes"; then
-    AC_DEFINE(HAVE_DECLARED_TIMEZONE, 1, [Whether system headers declare timezone])
-  fi
-])
-
 dnl
 dnl PHP_EBCDIC
 dnl

configure.ac

@@ -735,7 +735,6 @@ fi
 
 AC_REPLACE_FUNCS(strlcat strlcpy explicit_bzero getopt)
 AC_FUNC_ALLOCA
-PHP_DECLARED_TIMEZONE
 PHP_TIME_R_TYPE
 PHP_READDIR_R_TYPE
 PHP_CHECK_IN_ADDR_T

main/php.h

@@ -80,7 +80,6 @@
 /* Windows specific defines */
 #ifdef PHP_WIN32
 # define PHP_PROG_SENDMAIL		"Built in mailer"
-# define HAVE_DECLARED_TIMEZONE
 # define WIN32_LEAN_AND_MEAN
 # define NOOPENFILE