Pull request 1717: remove-client2

Merge in DNS/adguard-home from remove-client2 to master

Squashed commit of the following:

commit 0a0923494b0d1003e4f02f3a5f93d5248f0f2ded
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Jan 20 17:14:29 2023 +0300

    all: rm old experimental beta (dir client2/)

    This project was unfortunately abandoned.  v0.108.0 will have a
    different front-end and new APIs.

internal/home/config.go

@@ -90,9 +90,6 @@ type configuration struct {
 	BindHost netip.Addr `yaml:"bind_host"`
 	// BindPort is the port for the web interface server to listen on.
 	BindPort int `yaml:"bind_port"`
-	// BetaBindPort is the port for the new client's web interface server to
-	// listen on.
-	BetaBindPort int `yaml:"beta_bind_port"`
 
 	// Users are the clients capable for accessing the web interface.
 	Users []webUser `yaml:"users"`
@@ -230,7 +227,6 @@ type tlsConfigSettings struct {
 // TODO(a.garipov, e.burkov): This global is awful and must be removed.
 var config = &configuration{
 	BindPort:           3000,
-	BetaBindPort:       0,
 	BindHost:           netip.IPv4Unspecified(),
 	AuthAttempts:       5,
 	AuthBlockMin:       15,
@@ -372,7 +368,7 @@ func parseConfig() (err error) {
 	}
 
 	tcpPorts := aghalg.UniqChecker[tcpPort]{}
-	addPorts(tcpPorts, tcpPort(config.BindPort), tcpPort(config.BetaBindPort))
+	addPorts(tcpPorts, tcpPort(config.BindPort))
 
 	udpPorts := aghalg.UniqChecker[udpPort]{}
 	addPorts(udpPorts, udpPort(config.DNS.Port))