[MM-57106] Remove unused cluster settings (#26490)

server/public/model/cluster_discovery.go

@@ -19,7 +19,7 @@ type ClusterDiscovery struct {
 	ClusterName string `json:"cluster_name"`
 	Hostname    string `json:"hostname"`
 	GossipPort  int32  `json:"gossip_port"`
-	Port        int32  `json:"port"`
+	Port        int32  `json:"port"` // Deperacted: Port is unused. It's only kept for backwards compatibility.
 	CreateAt    int64  `json:"create_at"`
 	LastPingAt  int64  `json:"last_ping_at"`
 }

server/public/model/config.go

@@ -934,10 +934,6 @@ type ClusterSettings struct {
 	EnableExperimentalGossipEncryption *bool   `access:"environment_high_availability,write_restrictable,cloud_restrictable"`
 	ReadOnlyConfig                     *bool   `access:"environment_high_availability,write_restrictable,cloud_restrictable"`
 	GossipPort                         *int    `access:"environment_high_availability,write_restrictable,cloud_restrictable"` // telemetry: none
-	StreamingPort                      *int    `access:"environment_high_availability,write_restrictable,cloud_restrictable"` // telemetry: none
-	MaxIdleConns                       *int    `access:"environment_high_availability,write_restrictable,cloud_restrictable"` // telemetry: none
-	MaxIdleConnsPerHost                *int    `access:"environment_high_availability,write_restrictable,cloud_restrictable"` // telemetry: none
-	IdleConnTimeoutMilliseconds        *int    `access:"environment_high_availability,write_restrictable,cloud_restrictable"` // telemetry: none
 }
 
 func (s *ClusterSettings) SetDefaults() {
@@ -984,22 +980,6 @@ func (s *ClusterSettings) SetDefaults() {
 	if s.GossipPort == nil {
 		s.GossipPort = NewInt(8074)
 	}
-
-	if s.StreamingPort == nil {
-		s.StreamingPort = NewInt(8075)
-	}
-
-	if s.MaxIdleConns == nil {
-		s.MaxIdleConns = NewInt(100)
-	}
-
-	if s.MaxIdleConnsPerHost == nil {
-		s.MaxIdleConnsPerHost = NewInt(128)
-	}
-
-	if s.IdleConnTimeoutMilliseconds == nil {
-		s.IdleConnTimeoutMilliseconds = NewInt(90000)
-	}
 }
 
 type MetricsSettings struct {