clean dcae doc repo

 * fix doc8 in dcaecdap.rst
 * rm all non dcae related rst in api examples

dcaecdap.rst repo will be removed from doc repo to avoid source duplication
the file will be only cross referenced from doc

JIRA: DOC-107

Change-Id: I7745a26b223a472ba76f7c656b0889ada0c16102
Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>
6 files changed