feat(cs2): remove SteamCMD login credentials

The commit removes the SteamCMD login credentials from the default configuration file for Counter-Strike 2 server. Valve has removed the login requirement for cs2

lgsm/config-default/config-lgsm/cs2server/_default.cfg

@@ -8,10 +8,6 @@
 
 #### Game Server Settings ####
 
-## SteamCMD Login | https://docs.linuxgsm.com/steamcmd#steamcmd-login
-steamuser="username"
-steampass='password'
-
 ## Predefined Parameters | https://docs.linuxgsm.com/configuration/start-parameters
 # https://docs.linuxgsm.com/game-servers/counter-strike-2
 # [Game Modes]						gametype	gamemode	gamemodeflags	skirmishid	mapgroup (you can mix these across all Game Modes except Danger Zone, but use only one)