replaced : with cat /dev/null because it might cause some problem in the code

setup.sh

@@ -567,9 +567,12 @@ setup_zoom() {
 }
 
 setup() {
-	:
 	# uncomment setup functions that you want to run
 
+	# this does absolutely nothing.
+	# this is only here to prevent bash syntax error
+	cat /dev/null
+
 	# setup_discord
 	# setup_gnome
 	# setup_kdenlive