Fix broken link and aside in WTFPL help page

Fixes #598

app/flatpages/help/wtfpl.md

@@ -1,25 +1,6 @@
 title: WTFPL is a terrible license
 toc: False
 
-<div id="warning" class="alert alert-warning">
-	<span class="icon_message"></span>
-
-	Please reconsider the choice of WTFPL as a license.
-
-	<script>
-		// @author rubenwardy
-		// @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later
-
-		var params = new URLSearchParams(location.search);
-		var r = params.get("r");
-		if (r) {
-			document.write("<a class='alert_right button' href='" + r + "'>Okay</a>");
-		} else {
-			document.getElementById("warning").style.display = "none";
-        }
-	</script>
-</div>
-
 The use of WTFPL as a license is discouraged for multiple reasons.
 
 * **No Warranty disclaimer:** This could open you up to being sued.<sup>[1]</sup>
@@ -37,4 +18,4 @@ license, saying:<sup>[3]</sup>
 
 1. [WTFPL is harmful to software developers](https://cubicspot.blogspot.com/2017/04/wtfpl-is-harmful-to-software-developers.html)
 2. [FSF](https://www.gnu.org/licenses/license-list.en.html)
-3. [OSI](https://opensource.org/minutes20090304)
+3. [OSI](https://opensource.org/meeting-minutes/minutes20090304)