Cleanup exercise scripts

* whitespace and comment cleanups only

Change-Id: Iab9c2d9a25c3473f14190d60f2f2cf5be0ed59dc
diff --git a/exercises/client-env.sh b/exercises/client-env.sh
index 10871a6..d242ee5 100755
--- a/exercises/client-env.sh
+++ b/exercises/client-env.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
+**client-env.sh**
+
 # Test OpenStack client enviroment variable handling
 
 echo "*********************************************************************"
 echo "Begin DevStack Exercise: $0"
 echo "*********************************************************************"
 
-# Verify client workage
-VERIFY=${1:-""}
 
 # Settings
 # ========