Remove SSL env variables from NBI Dockerfile

Change-Id: I45c444ac2c2c6a9cd1907c70f7e086e28a3ee759
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/docker/NBI/Dockerfile b/docker/NBI/Dockerfile
index 8e98597..61d4119 100644
--- a/docker/NBI/Dockerfile
+++ b/docker/NBI/Dockerfile
@@ -98,8 +98,6 @@
 # server
 ENV OSMNBI_SOCKET_HOST     0.0.0.0
 ENV OSMNBI_SOCKET_PORT     9999
-ENV OSMNBI_SERVER_SSL_CERTIFICATE               /app/osm_nbi/http/cert.pem
-ENV OSMNBI_SERVER_SSL_PRIVATE_KEY               /app/osm_nbi/http/privkey.pem
 # storage
 ENV OSMNBI_STORAGE_PATH    /app/storage
 # database