cleanup preflight

setup/so-whiptail

@@ -1080,20 +1080,6 @@ whiptail_passwords_dont_match() {
 
 }
 
-whiptail_preflight_err() {
-	[ -n "$TESTING" ] && return 1
-
-	read -r -d '' message <<- EOM
-	The so-preflight script failed checking one or more URLs required by setup. Check $setup_log for more details.
-
-	Would you like to exit setup?
-	EOM
-
-	whiptail --title "$whiptail_title" \
-		--yesno "$message" 11 75 \
-		--yes-button "Continue" --no-button "Exit" --defaultno
-}
-
 whiptail_proxy_ask() {
 	[ -n "$TESTING" ] && return