Update alert text when disabling multi-serving platform or single-ser…

…ving platform (#3321)

frontend/src/pages/clusterSettings/ModelServingPlatformSettings.tsx

@@ -58,13 +58,13 @@ const ModelServingPlatformSettings: React.FC<ModelServingPlatformSettingsProps>
       setAlert({
         variant: AlertVariant.info,
         message:
-          'Disabling multi-model serving means that models in new projects or existing projects with no currently deployed models will be deployed from their own model server. Existing projects with currently deployed models will continue to use the serving platform selected for that project.',
+          'Projects with models already deployed will be unaffected by deselecting multi-model serving.',
       });
     } else if (initialValue.kServe && !enabledPlatforms.kServe) {
       setAlert({
         variant: AlertVariant.info,
         message:
-          'Disabling single-model serving means that models in new projects or existing projects with no currently deployed models will be deployed from a shared model server. Existing projects with currently deployed models will continue to use the serving platform selected for that project.',
+          'Projects with models already deployed will be unaffected by deselecting single-model serving.',
       });
     } else {
       setAlert(undefined);