misc updates

default-logins/dell/dell-idrac9-default-login.yaml

@@ -10,9 +10,8 @@ requests:
     cookie-reuse: true
     path:
       - "{{BaseURL}}/sysmgmt/2015/bmc/session"
-    body: " user=root&password=calvin"
+    body: "user=root&password=calvin"
     headers:
-      Host: "{{Hostname}}"
       Accept: "application/json, text/plain, */*"
       user: "root"
       password: "calvin"