remove allow-multiple-per-connection

irc/config.go

 			VerifyMessage        string `yaml:"verify-message"`
 		}
 	}
-	AllowMultiplePerConnection bool `yaml:"allow-multiple-per-connection"`
 }
 
 type VHostConfig struct {

irc/handlers.go

 func accRegisterHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool {
 	// clients can't reg new accounts if they're already logged in
 	if client.LoggedIntoAccount() {
-		if server.AccountConfig().Registration.AllowMultiplePerConnection {
-			server.accounts.Logout(client)
-		} else {
-			rb.Add(nil, server.name, ERR_REG_UNSPECIFIED_ERROR, client.nick, "*", client.t("You're already logged into an account"))
-			return false
-		}
+		rb.Add(nil, server.name, ERR_REG_UNSPECIFIED_ERROR, client.nick, "*", client.t("You're already logged into an account"))
+		return false
 	}
 
 	// get and sanitise account name

irc/nickserv.go

 	}
 
 	if client.LoggedIntoAccount() {
-		if server.AccountConfig().Registration.AllowMultiplePerConnection {
-			server.accounts.Logout(client)
-		} else {
-			nsNotice(rb, client.t("You're already logged into an account"))
-			return
-		}
+		nsNotice(rb, client.t("You're already logged into an account"))
+		return
 	}
 
 	config := server.AccountConfig()

oragono.yaml

         #         password: ""
         #         sender: "admin@my.network"
 
-        # allow multiple account registrations per connection
-        # this is for testing purposes and shouldn't be allowed on real networks
-        allow-multiple-per-connection: false
-
     # is account authentication enabled?
     authentication-enabled: true