Redesign: Remove unused translation string (#40778)

app/javascript/mastodon/features/compose/redesign/trigger.tsx

@@ -109,10 +109,7 @@ export const ComposeRedesignButton: React.FC<{
             icon={PenNibIcon}
             {...floatingButtonProps}
           >
-            <FormattedMessage
-              id='compose.new'
-              defaultMessage='Write a new post or messsage'
-            />
+            <FormattedMessage id='tabs_bar.publish' defaultMessage='New Post' />
           </FloatingActionButton>
         }
       >

app/javascript/mastodon/locales/en.json

@@ -537,7 +537,6 @@
   "compose.message.published.body": "Message sent",
   "compose.message.saved.body": "Message saved",
   "compose.minimize": "Minimize composer",
-  "compose.new": "Write a new post or messsage",
   "compose.poll.add": "Add another option",
   "compose.poll.delete": "Delete poll",
   "compose.poll.duration": "Duration:",