No, endpoint 0 is for setup and control transfers. You should not change that.
And you should not change anything inside the DT_HID260.pbp file.

Set the report sizes with the defines...

Code:
;--- Setup USB -------------------------------------------------------------
INCLUDE "DT_HID260.pbp"
DEFINE USB_VENDORID    6017
DEFINE USB_PRODUCTID   2000
DEFINE USB_VERSION     1
DEFINE USB_VENDORNAME  "Darrel Taylor"
DEFINE USB_PRODUCTNAME "DT_HID"
DEFINE USB_SERIAL      "001"
DEFINE USB_INSIZE      64   ;  IN report is PIC to PC (8,16,32,64)
DEFINE USB_OUTSIZE     16   ; OUT report is PC to PIC
DEFINE USB_POLLIN      10   ; Polling times in mS, MIN=1 MAX=10
DEFINE USB_POLLOUT     10