Config: Remove more legacy fields (#3817)

infra/conf/freedom.go

@@ -15,7 +15,6 @@ import (
 
 type FreedomConfig struct {
 	DomainStrategy string    `json:"domainStrategy"`
-	Timeout        *uint32   `json:"timeout"`
 	Redirect       string    `json:"redirect"`
 	UserLevel      uint32    `json:"userLevel"`
 	Fragment       *Fragment `json:"fragment"`
@@ -167,9 +166,6 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 		}
 	}
 
-	if c.Timeout != nil {
-		config.Timeout = *c.Timeout
-	}
 	config.UserLevel = c.UserLevel
 	if len(c.Redirect) > 0 {
 		host, portStr, err := net.SplitHostPort(c.Redirect)