Removed unnessary prepare handling of the book gump
Removed unnessary prepare handling of the book gump

As in every packet documentation i've found packet 0x66 is described as
sending page data from the client to the server, not a request, this
prepare leaded to erasing the first page of a book in case the server
doesn't send page data not fast enough.

Hotride/OrionUO,Hotride/OrionUO,Hotride/OrionUO