Plugins: Add hide_angular_deprecation setting (#79296)

* Add plugins.hide_angular_deprecation config ini

* Add more tests

* Remove the ability to use [plugins.*] hide_angular_deprecation

pkg/services/pluginsintegration/config/config.go

@@ -47,6 +47,7 @@ func ProvideConfig(settingProvider setting.Provider, grafanaCfg *setting.Cfg, fe
 		grafanaCfg.AngularSupportEnabled,
 		grafanaCfg.GrafanaComURL,
 		grafanaCfg.DisablePlugins,
+		grafanaCfg.HideAngularDeprecation,
 	), nil
 }