[fix] Pipe firstcheckin output to /dev/null

setup/so-functions

@@ -704,8 +704,7 @@ fireeye_pillar() {
 
 # Run a salt command to generate the minion key
 salt_firstcheckin() {
-	echo "Next line will show [ERROR], this is expected" >> "$setup_log" 2>&1
-	salt-call state.show_top >> "$setup_log" 2>&1
+	salt-call state.show_top >> /dev/null # send output to /dev/null because we don't actually care about the ouput
 }
 
 fleet_pillar() {
@@ -1171,12 +1170,6 @@ salt_checkin() {
 	} >> "$setup_log" 2>&1
 }
 
-salt_firstcheckin() {
-	#First Checkin
-	salt-call state.highstate >> "$setup_log" 2>&1
-
-}
-
 setup_salt_master_dirs() {
 	# Create salt paster directories
 	mkdir -p /opt/so/saltstack/salt