doc: remove dead link

The link is dead and an archived page cannot be found in the
web.archive.org.

diff --git a/evdns.c b/evdns.c
index 8df185685f0ecb87848e279ae6df9733c598b93b..14a6439841fb546371e7721d78574d3440cf6db2 100644 (file)
--- a/evdns.c
+++ b/evdns.c
@@ -28,7 +28,6 @@
  *
  * Async DNS Library
  * Adam Langley <agl@imperialviolet.org>
- * http://www.imperialviolet.org/eventdns.html
  * Public Domain code
  *
  * This software is Public Domain. To view a copy of the public domain dedication,