Refactor HTTP request context (#17979)

modules/templates/base.go

@@ -43,9 +43,6 @@ func BaseVars() Vars {
 		"EnableSwagger":      setting.API.EnableSwagger,
 		"EnableOpenIDSignIn": setting.Service.EnableOpenIDSignIn,
 		"PageStartTime":      startTime,
-		"TmplLoadTimes": func() string {
-			return time.Since(startTime).String()
-		},
 	}
 }