docs: Update document headers

    - Remove the outdated :Status: field, being confusing.
    - Change :Authors: to :Author: where appropriate

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I7aa33778ac4794a8360abaafdc0e98519478c6f0
diff --git a/docs/integration_guide/SQUAD_Dashboard.rst b/docs/integration_guide/SQUAD_Dashboard.rst
index ac720e0..0bf6fad 100644
--- a/docs/integration_guide/SQUAD_Dashboard.rst
+++ b/docs/integration_guide/SQUAD_Dashboard.rst
@@ -2,7 +2,7 @@
 SQUAD metrics dashboard
 #######################
 
-:Authors: Hugo L'Hostis
+:Author: Hugo L'Hostis
 :Organization: Arm Limited
 :Contact: hugo.lhostis@arm.com