Docs: Documentation fixes

- Profiles summary table
- Remove outdated 'app' folder from introduction

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I0a5de3ef3952f18d1a9bed171ce18511b6adb4e2
diff --git a/docs/introduction/readme.rst b/docs/introduction/readme.rst
index 1f807b8..db37ead 100644
--- a/docs/introduction/readme.rst
+++ b/docs/introduction/readme.rst
@@ -57,11 +57,9 @@
 sign-off as described in the :doc:`Contributing Guidelines </contributing/contributing_process>`.
 
 This project contains code from other projects as listed below. The code from
-external projects is limited to ``app``, ``bl2``, ``lib`` and ``platform``
+external projects is limited to ``bl2``, ``lib`` and ``platform``
 folders. The original license text is included in those source files.
 
-- The ``app`` folder contains files imported from CMSIS_5 project and the files
-  have Apache 2.0 license.
 - The ``bl2`` folder contains files imported from MCUBoot project and the files
   have Apache 2.0 license.
 - The ``lib`` folder may contain 3rd party files with diverse licenses.