disable strelka by default for sensor nodes during setup

setup/so-setup

@@ -169,7 +169,6 @@ elif [ "$install_type" = 'MANAGER' ]; then
 elif [ "$install_type" = 'SENSOR' ]; then
 	is_sensor=true
 	is_minion=true
-	STRELKA=1
 elif [[ "$install_type" =~ ^('SEARCHNODE'|'HOTNODE'|'WARMNODE')$ ]]; then
 	is_node=true
 	is_minion=true
@@ -298,8 +297,6 @@ if [[ $is_import ]]; then
 	WAZUH=0
 	THEHIVE=0
 	PLAYBOOK=0
-	STRELKA=0
-	
 fi