do I need the TSIMP_* user in my role config files

System

Im not really sure what this user is even used for...its in the roles files as Master and Editor.

servername\TSIMP_servername

i know its supposed to be Teamsite impersonation user or something and is part of the Web Preview group. any help/explanation would be appreciated

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Eric B.
Federated Investors
AOL IM: arthas76