[evolution] configure.ac: Remove unnecessary regex library check.

[Matthew Barnes <mbarnes src gnome org>]

commit 5204abd40cac00e501e3c0823c18016343feec4f
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue May 28 09:41:18 2013 -0400

    configure.ac: Remove unnecessary regex library check.

 configure.ac |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5f0418b..be8a0fb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -579,15 +579,6 @@ AM_CONDITIONAL(SUNLDAP, [test x$with_sunldap != xno])
 
 AC_DEFINE(HANDLE_LIBICAL_MEMORY, 1, [Define it once memory returned by libical is free'ed properly])
 
-dnl ************
-dnl regex check
-dnl ************
-AC_CHECK_FUNCS(regexec,,[AC_CHECK_LIB(regex,regexec,
-                       [REGEX_LIBS=-lregex
-                       AC_DEFINE(HAVE_REGEXEC,1,[Define to 1 if you have the regexec function.])],
-                       [AC_MSG_ERROR([No regex library found])])])
-AC_SUBST(REGEX_LIBS)
-
 dnl *************************
 dnl GTKHTML check
 dnl XXX Drop the version from the package name?