Actually, kill this line

There's no reason to have a link to the next documentation section
since it is the next section and there is a next button at the bottom
of the page.

Author: tilgovi

doc/installing.rst

@@ -25,9 +25,6 @@ To load Annotator with the default set of components, place the following
 
    <script src="annotator.min.js"></script>
 
-Continue to :doc:`usage` to learn about creating your first :term:`application`.
-
-
 npm package
 -----------