Cleanup openrc.

- Cleanup openrc, removing the sourcing of functions (which was failing
  for zsh) and remove the *_DEBUG comment since they have been removed
  from the clients.

Change-Id: Ie2e6fb1e770403c4ef3463a850e8151bd312614c
diff --git a/openrc b/openrc
index 8af2854..2d5d48a 100644
--- a/openrc
+++ b/openrc
@@ -20,9 +20,6 @@
 # Find the other rc files
 RC_DIR=$(cd $(dirname "$BASH_SOURCE") && pwd)
 
-# Import common functions
-source $RC_DIR/functions
-
 # Load local configuration
 source $RC_DIR/stackrc
 
@@ -80,7 +77,3 @@
 export NOVA_VERSION=${NOVA_VERSION:-1.1}
 # In the future this will change names:
 export COMPUTE_API_VERSION=${COMPUTE_API_VERSION:-$NOVA_VERSION}
-
-# set log level to DEBUG (helps debug issues)
-# export KEYSTONECLIENT_DEBUG=1
-# export NOVACLIENT_DEBUG=1