Base: Don't launch LookupServer in generate-manpages mode

This is not needed now.

Base/etc/SystemServer.ini

@@ -61,7 +61,7 @@ SocketPermissions=660
 Priority=low
 KeepAlive=true
 User=lookup
-SystemModes=text,graphical,self-test,generate-manpages
+SystemModes=text,graphical,self-test
 
 [NotificationServer]
 Socket=/tmp/portal/notify