control/controlclient: trim /32 suffix a bit more succinctly
@@ -75,10 +75,7 @@ func (nm *NetworkMap) Concise() string {
for _, p := range nm.Peers {
aip := make([]string, len(p.AllowedIPs))
for i, a := range p.AllowedIPs {
- s := fmt.Sprint(a)
- if strings.HasSuffix(s, "/32") {
- s = s[0 : len(s)-3]
- }
+ s := strings.TrimSuffix(fmt.Sprint(a), "/32")
aip[i] = s
}
