Update Tags section in Adding a new project on Pontoon (#286)

src/tools/pontoon/adding_new_project.md

@@ -55,12 +55,7 @@ For each tag, it’s possible to define:
 
 ![Tags resources](../../assets/images/pontoon/manage_tags_resources.png)
 
-Once you’ve created a new tag, you need to save the project in order to be able to manage the resources associated to the tag itself, using the button highlighted in red.
-
-A few tips on using this section:
-* Use the selector on the right (highlighted in orange) to switch between *Linked* resources, i.e. resources already associated to the tag, and *Unlinked* resources.
-* The first checkbox on the left (highlighted in green) allows to select all displayed items. Note: if the search returns multiple pages, only those currently displayed are selected and will be linked if *Link resources* is clicked.
-* There is no need to save the project when adding resources to a tag: linked resources are stored in the database as soon as they’re added with the *Link resources* button.
+Once you’ve created a new tag, you need to save the project in order to be able to manage the resources associated to the tag itself, using the button highlighted in green.
 
 ### Resource deadline