MM-16228 Remove DisablePostMetadata setting (#11138)

* MM-16228 Remove DisablePostMetadata setting

* Remove DEPRECATED_DO_NOT_USE_DisablePostMetadata

config/client.go

@@ -44,7 +44,7 @@ func GenerateClientConfig(c *model.Config, diagnosticId string, license *model.L
 	props["ExperimentalGroupUnreadChannels"] = *c.ServiceSettings.ExperimentalGroupUnreadChannels
 
 	// This setting is only temporary, so keep using the old setting name for the mobile and web apps
-	props["ExperimentalEnablePostMetadata"] = strconv.FormatBool(!*c.ExperimentalSettings.DisablePostMetadata)
+	props["ExperimentalEnablePostMetadata"] = "true"
 	props["ExperimentalEnableClickToReply"] = strconv.FormatBool(*c.ExperimentalSettings.EnableClickToReply)
 
 	if *c.ServiceSettings.ExperimentalChannelOrganization || *c.ServiceSettings.ExperimentalGroupUnreadChannels != model.GROUP_UNREAD_CHANNELS_DISABLED {