browserconfig.xml: Remove non-working URLs.

Author: XhmikosR

source/assets/img/favicons/browserconfig.xml

@@ -5,14 +5,5 @@
             <square150x150logo src="/assets/img/favicons/mstile-150x150.png"/>
             <TileColor>#00a300</TileColor>
         </tile>
-        <notification>
-            <polling-uri src="http://notifications.buildmypinnedsite.com/?feed=https://mpc-hc.org/rss.xml&amp;id=1" />
-            <polling-uri2 src="http://notifications.buildmypinnedsite.com/?feed=https://mpc-hc.org/rss.xml&amp;id=2" />
-            <polling-uri3 src="http://notifications.buildmypinnedsite.com/?feed=https://mpc-hc.org/rss.xml&amp;id=3" />
-            <polling-uri4 src="http://notifications.buildmypinnedsite.com/?feed=https://mpc-hc.org/rss.xml&amp;id=4" />
-            <polling-uri5 src="http://notifications.buildmypinnedsite.com/?feed=https://mpc-hc.org/rss.xml&amp;id=5" />
-            <frequency>30</frequency>
-            <cycle>1</cycle>
-        </notification>
     </msapplication>
 </browserconfig>