irqchip/mvebu-pic: Drop unused module alias

The driver has never supported anything but OF probing so drop the
unused platform alias.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>

Author: jhovold

drivers/irqchip/irq-mvebu-pic.c

@@ -195,5 +195,3 @@ MODULE_AUTHOR("Yehuda Yitschak <yehuday@marvell.com>");
 MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
 MODULE_DESCRIPTION("Marvell Armada 7K/8K PIC driver");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:mvebu_pic");
-