CLEANUP: dns: Remove a forgotten debug message

A debug message was forgotten in the dns part.

This patch should fix the issue #1304. It must be backported to 2.4.

(cherry picked from commit c3fe968f221e2f7c63b7eb24f557223c4bbbe75f)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed