[ML] Shortens toast message in DFA job map (#165936)

## Summary

This PR removes an unnecessary `please` from a toast message making it
more succinct.

### Checklist

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)

x-pack/plugins/ml/public/application/data_frame_analytics/pages/job_map/components/controls.tsx

@@ -140,8 +140,7 @@ export const Controls: FC<Props> = React.memo(
       } else {
         toasts.addDanger(
           i18n.translate('xpack.ml.dataframe.analyticsMap.flyout.dataViewMissingMessage', {
-            defaultMessage:
-              'To create a job from this index please create a data view for {indexTitle}.',
+            defaultMessage: 'To create a job from this index create a data view for {indexTitle}.',
             values: { indexTitle: nodeLabel },
           })
         );