Removed method NewSession; it's used once and only to set the credentials to their existing values thus adding unnecessary complexity.
Removed method NewSession; it's used once and only to set the credentials to their existing values thus adding unnecessary complexity.

Signed-off-by: Konstantina Chremmou <a7d1f757a659045fb6db8c1e3849a1c8ad00b97a@citrix.com>

kc284/xenadmin,kc284/xenadmin,minli1/xenadmin,minli1/xenadmin,stephen-turner/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin,xenserver/xenadmin,stephen-turner/xenadmin,stephen-turner/xenadmin,xenserver/xenadmin,MihaelaStoica/xenadmin,stephen-turner/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin,kc284/xenadmin,MihaelaStoica/xenadmin,xenserver/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin,kc284/xenadmin,minli1/xenadmin,stephen-turner/xenadmin,stephen-turner/xenadmin,MihaelaStoica/xenadmin,kc284/xenadmin