Input: xpad - remove stale TODO and changelog header

All items in the TODO block have since been addressed: axis tuning,
analog button handling, rumble support, and dance pad USB IDs are all
implemented. The manual changelog is also removed as history is tracked
in git.

Signed-off-by: Elliot Tester <elliotctester1@gmail.com>
Link: https://patch.msgid.link/20260325221618.135833-1-elliotctester1@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Author: Suberbmuffin

drivers/input/joystick/xpad.c

@@ -25,40 +25,6 @@
  *  - Greg Kroah-Hartman - usb-skeleton driver
  *  - Xbox Linux project - extra USB IDs
  *  - Pekka Pöyry (quantus) - Xbox One controller reverse-engineering
- *
- * TODO:
- *  - fine tune axes (especially trigger axes)
- *  - fix "analog" buttons (reported as digital now)
- *  - get rumble working
- *  - need USB IDs for other dance pads
- *
- * History:
- *
- * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
- *
- * 2002-07-02 - 0.0.2 : basic working version
- *  - all axes and 9 of the 10 buttons work (german InterAct device)
- *  - the black button does not work
- *
- * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik
- *  - indentation fixes
- *  - usb + input init sequence fixes
- *
- * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
- *  - verified the lack of HID and report descriptors
- *  - verified that ALL buttons WORK
- *  - fixed d-pad to axes mapping
- *
- * 2002-07-17 - 0.0.5 : simplified d-pad handling
- *
- * 2004-10-02 - 0.0.6 : DDR pad support
- *  - borrowed from the Xbox Linux kernel
- *  - USB id's for commonly used dance pads are present
- *  - dance pads will map D-PAD to buttons, not axes
- *  - pass the module paramater 'dpad_to_buttons' to force
- *    the D-PAD to map to buttons if your pad is not detected
- *
- * Later changes can be tracked in SCM.
  */
 
 #include <linux/bits.h>