i2c: lpc32xx: Remove note for DM conversation

Removed note in the LPC32xx I2C driver for DM conversation.

Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>

drivers/i2c/lpc32xx_i2c.c

@@ -5,9 +5,6 @@
  * Written-by: Albert ARIBAUD - 3ADEV <albert.aribaud@3adev.fr>
  *
  * SPDX-License-Identifier:	GPL-2.0+
- *
- * NOTE: This driver should be converted to driver model before June 2017.
- * Please see doc/driver-model/i2c-howto.txt for instructions.
  */
 
 #include <common.h>