remove wait_for_salt_minion from so-functions

setup/so-functions

@@ -2494,20 +2494,6 @@ wait_for_file() {
 	return 1
 }
 
-wait_for_salt_minion() {
-	retry 60 5 "journalctl -u salt-minion.service | grep 'Minion is ready to receive requests'" >> "$setup_log" 2>&1 || fail_setup
-	local attempt=0
-	# each attempts would take about 15 seconds
-	local maxAttempts=20
-	until check_salt_minion_status; do
-		attempt=$((attempt+1))
-		if [[ $attempt -eq $maxAttempts ]]; then
-			fail_setup
-		fi
-		sleep 10
-	done
-}
-
 verify_setup() {
 	info "Verifying setup"
 	set -o pipefail