AVRISP Programmer code is no longer in the LUFA mainline, remove it's PID allocation.

LUFA/ChangeLog.txt

@@ -8,7 +8,6 @@
   *
   *  \section Sec_ChangeLogXXXXXX Version XXXXXX
   *
-  *  - Changed AVRISP Programmer descriptors to use a newly allocated 0x204F PID value
   *  - Fixed MagStripe project configuration descriptor containing an unused (blank) endpoint descriptor
   *  - Incorporated makefile changes by Denver Gingerich to retain compatibility with stock (non-WinAVR) AVR-GCC installations
   *  - Fixed makefile EEPROM programming targets programming FLASH data in addition to EEPROM data

LUFA/VIDAndPIDValues.txt

@@ -216,7 +216,7 @@
  *     0x204F
  *    </td>
  *    <td>
- *     AVRISP Programmer Project
+ *     ** Not Currently Allocated **
  *    </td>
  *   </tr>
  *