Update instance.cfg.in

slapos/software/opcua-server-fhi/instance.cfg.in

@@ -32,7 +32,7 @@ partition = ${slap-connection:partition-id}
 url = ${slap-connection:server-url}
 key = ${slap-connection:key-file}
 cert = ${slap-connection:cert-file}
-configuration.opcua-xml-url = r'https://lab.nexedi.com/Demonkey/osie/raw/philipp_opcua/opcua-to-http-gw/opcua-server-config.xml'
+configuration.opcua-xml-url = 'https://lab.nexedi.com/Demonkey/osie/raw/philipp_opcua/opcua-to-http-gw/opcua-server-config.xml'
 configuration.opcua-port = 4840
 configuration.ipv6-enabled = '1'