fn_set_config_vars is not for every game

removing some games i know don't use it

lgsm/functions/install_config.sh

@@ -274,7 +274,6 @@ elif [ "${gamename}" == "Mumble" ]; then
 	array_configs+=( murmur.ini )
 	fn_fetch_default_config
 	fn_default_config_remote
-	fn_set_config_vars
 elif [ "${gamename}" == "Natural Selection 2" ]; then
 	:
 elif [ "${gamename}" == "NS2: Combat" ]; then
@@ -311,7 +310,6 @@ elif [ "${gamename}" == "Rust" ]; then
 	array_configs+=( server.cfg )
 	fn_fetch_default_config
 	fn_default_config_remote
-	fn_set_config_vars
 elif [ "${gamename}" == "Serious Sam 3: BFE" ]; then
 	gamedirname="SeriousSam3BFE"
 	array_configs+=( server.ini )
@@ -347,7 +345,6 @@ elif [ "${gamename}" == "TeamSpeak 3" ]; then
 	array_configs+=( ts3server.ini )
 	fn_fetch_default_config
 	fn_default_config_remote
-	fn_set_config_vars
 elif [ "${gamename}" == "Teeworlds" ]; then
 	gamedirname="Teeworlds"
 	array_configs+=( server.cfg ctf.cfg dm.cfg duel.cfg tdm.cfg )