Remove doc warning

- delete old csv
- delete unused orphan page
- adapt rst

Issue-ID: INT-1776

Signed-off-by: mrichomme <morgan.richomme@orange.com>
Change-Id: I7856e4f10637000e2085825a8cf8703e98a454d3
(cherry picked from commit e4643890441531c9009faa5759cedfa13ba7a6f7)
diff --git a/docs/docs_vCPE.rst b/docs/docs_vCPE.rst
index a0550cc..6a8e2c5 100644
--- a/docs/docs_vCPE.rst
+++ b/docs/docs_vCPE.rst
@@ -4,8 +4,10 @@
 
 .. _docs_vcpe:
 
+:orphan:
+
 vCPE Use Case
-----------------------------
+-------------
 
 Description
 ~~~~~~~~~~~