MAINTAINERS: Input: Drop melfas-mip4 section

Emails to the sole melfas-mip4 driver maintainer bounce:

  550 <[email protected]> No such user here (connected from melfas.com)

so clearly this is not a supported driver anymore.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>

Author: krzk

MAINTAINERS

@@ -15523,13 +15523,6 @@ S:	Supported
 W:	http://www.melexis.com
 F:	drivers/iio/temperature/mlx90635.c
 
-MELFAS MIP4 TOUCHSCREEN DRIVER
-M:	Sangwon Jee <[email protected]>
-S:	Supported
-W:	http://www.melfas.com
-F:	Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt
-F:	drivers/input/touchscreen/melfas_mip4.c
-
 MELLANOX BLUEFIELD I2C DRIVER
 M:	Khalil Blaiech <[email protected]>
 M:	Asmaa Mnebhi <[email protected]>