Merge pull request #2427 from edx/sylvia/documentation/BLD-793

Remove warning about LTI not working in Preview mode

docs/en_us/course_authors/source/tools.rst

@@ -72,9 +72,6 @@ unit, you need the following information.
 Create an LTI Component
 -----------------------
 
-.. note:: You cannot view an LTI component in Preview mode. To view an LTI component that you've created, you must first publish the unit, and then click **View Live** to see the unit in Live mode. For more information about publishing a unit, see :ref:`Publishing Your Course`.
-
-
 Creating an LTI component in your course has three steps.
 
 #. Add LTI to the **advanced_modules** policy key.