[PATCH conntrack-tools] configure: Remove flex check warning

[Shivani Bhardwaj <shivanib134@gmail.com>]

Remove the warning about outdated version of flex as it is not needed
anymore.

Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
---
 configure.ac | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/configure.ac b/configure.ac
index c541034..b6c5439 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,21 +40,6 @@ then
 	exit 1
 fi
 
-AC_MSG_CHECKING(flex version)
-flex_version=`$ac_cv_prog_LEX --version | sed 's/version//g' | awk '/flex/ {print $2}'`
-flex_major=`echo $flex_version| cut -d . -f 1`
-flex_minor=`echo $flex_version| cut -d . -f 2`
-flex_rev=`echo $flex_version| cut -d . -f 3`
- 
-if test "$flex_major" -eq "2" && test "$flex_minor" -eq "5" && test "$flex_rev" -ge "33"; then
-	AC_MSG_RESULT([$flex_version. OK])
-else
-	AC_MSG_WARN([flex version $flex_version found.
-	Version 2.5.33 or greater is required. You may experience problems
-	while compilating the conntrack-tools. Please, consider to upgrade 
-	flex.])
-fi
-
 AC_ARG_ENABLE([cthelper],
         AS_HELP_STRING([--disable-cthelper], [Do not build userspace helper support]),
         [enable_cthelper="$enableval"], [enable_cthelper="yes"])
-- 
2.7.4