[CORD-1685] Adding copyright informations

Change-Id: I69749e4e557aefad87bebf448c170470f1ecd025
diff --git a/pki/.gitignore b/pki/.gitignore
deleted file mode 100644
index 85fb566..0000000
--- a/pki/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-openssl.cfg
-*_im_ca
-root_ca
-
diff --git a/pki/README.md b/pki/README.md
deleted file mode 100644
index 2abc67e..0000000
--- a/pki/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# pki
-
-This folder contains files uses to manage the certificate authority (CA), so
-handle with care.
-