Removes now unused config.xml file

config.xml

@@ -1,15 +0,0 @@
-<configuration version="19">
-    <gui enabled="true" tls="false" debugging="false">
-        <insecureAdminAccess>true</insecureAdminAccess>
-        <address>0.0.0.0:3000</address>
-        <theme>default</theme>
-    </gui>
-    <options>
-        <listenAddress>tcp://:22000</listenAddress>
-        <localAnnounceEnabled>false</localAnnounceEnabled>
-        <startBrowser>false</startBrowser>
-        <natEnabled>true</natEnabled>
-        <autoUpgradeIntervalH>0</autoUpgradeIntervalH>
-        <upgradeToPreReleases>false</upgradeToPreReleases>
-    </options>
-</configuration>