fix(ns2): adjusted player numbers for ranked

lgsm/config-default/config-lgsm/ns2server/_default.cfg

@@ -12,8 +12,8 @@
 ip="0.0.0.0"
 port="27015"
 defaultmap="ns2_summit"
-maxplayers="24"
-maxspectators="0"
+maxplayers="20"
+maxspectators="5"
 servername="LinuxGSM"
 httpuser="admin"
 httppassword="admin"