Revert "Input: ALPS - add signature for HP Pavilion dm3 laptops"

This reverts commit 5e28d8eb68c12eab9c4a47b42ba993a6420d71d3 since
the magic knock does not work for this model of the touchpad and the
device stays in PS/2 compatibility mode.

drivers/input/mouse/alps.c

@@ -63,7 +63,6 @@ static const struct alps_model_info alps_model_data[] = {
 	{ { 0x62, 0x02, 0x14 }, 0xcf, 0xcf,
 		ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
 	{ { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS },	  /* Dell Vostro 1400 */
-	{ { 0x73, 0x02, 0x64 }, 0xf8, 0xf8, 0 },			  /* HP Pavilion dm3 */
 	{ { 0x52, 0x01, 0x14 }, 0xff, 0xff,
 		ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },	  /* Toshiba Tecra A11-11L */
 };