Fix Doc8 errors

JIRA: CCSDK-139

Change-Id: I5b48d4189ae9fdd72bb85a4d98be7798452249df
Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index b451657..dd01fc7 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -42,5 +42,3 @@
 **Deprecation Notes**
 
 **Other**
-
-===========
\ No newline at end of file