Refs #34146 -- Fixed typos in tutorial. (#16530)

- Fixed formatting on index page.
- Removed duplicate What's next section.

Thanks to Tim Graham for the report.

docs/index.txt

@@ -22,7 +22,7 @@ Are you new to Django or to programming? This is the place to start!
   :doc:`Part 4: Forms and generic views <intro/tutorial04>` |
   :doc:`Part 5: Testing <intro/tutorial05>` |
   :doc:`Part 6: Static files <intro/tutorial06>` |
-  :doc:`Part 7: Customizing the admin site <intro/tutorial07>`
+  :doc:`Part 7: Customizing the admin site <intro/tutorial07>` |
   :doc:`Part 8: Adding third-party packages <intro/tutorial08>`
 
 * **Advanced Tutorials:**

docs/intro/tutorial07.txt

@@ -420,13 +420,3 @@ object-specific admin pages in whatever way you think is best.
 
 When you're comfortable with the admin, read :doc:`part 8 of this
 tutorial </intro/tutorial08>` to learn how to use third-party packages.
-
-What's next?
-============
-
-The beginner tutorial ends here. In the meantime, you might want to check out
-some pointers on :doc:`where to go from here </intro/whatsnext>`.
-
-If you are familiar with Python packaging and interested in learning how to
-turn polls into a "reusable app", check out :doc:`Advanced tutorial: How to
-write reusable apps</intro/reusable-apps>`.