Remove configuration auto enable. (#22625)

* Remove configuration auto enable.

* i18n

* Fix diff tests.

server/channels/api4/config.go

@@ -157,11 +157,6 @@ func updateConfig(c *Context, w http.ResponseWriter, r *http.Request) {
 		*cfg.PluginSettings.MarketplaceURL = *appCfg.PluginSettings.MarketplaceURL
 	}
 
-	if cfg.PluginSettings.PluginStates[model.PluginIdFocalboard].Enable && cfg.FeatureFlags.BoardsProduct {
-		c.Err = model.NewAppError("EnablePlugin", "app.plugin.product_mode.app_error", map[string]any{"Name": model.PluginIdFocalboard}, "", http.StatusInternalServerError)
-		return
-	}
-
 	// There are some settings that cannot be changed in a cloud env
 	if c.App.Channels().License().IsCloud() {
 		// Both of them cannot be nil since cfg.SetDefaults is called earlier for cfg,