Revert "Persistent Networks Documentation:Reviewed by - Jessica Tomechak and Likitha Shetty"

This reverts commit eaf7767c8521e88f9d5b6f2865acafd34f9430fe.
CLOUDSTACK-1237: Fix an overriding method that would help find template adapter

Signed-off-by: Rohit Yadav <bhaisaab@apache.org>