Description fix for subscription drawer (#1963)

* update email text

* hard coded text

* linting & adding tenant_name

* add get_tenant name method to submission service

* update text

met-web/src/components/engagement/form/EngagementWidgets/Subscribe/SubscribeForm.tsx

@@ -26,10 +26,8 @@ const Form = () => {
                 <Grid item xs={12}>
                     <MetParagraph>
                         The email list will collect email addresses for a mailing list. A "double-opt-in" email will be
-                        sent to confirm the subscription.Only the email addresses that have been double-opted-in will be
-                        on the list. Please include the unsubscribe link provided on the Email List screen in every
-                        future communication. Unsubscribed email addresses will be removed from the list. Please
-                        downloaded the list before each communication.
+                        sent to confirm the subscription. Only the email addresses that have been double-opted-in will
+                        be on the list.
                     </MetParagraph>
                 </Grid>
                 <Grid item xs={12} marginBottom="1em">