i2c: mpc: drop release for resource allocated with devm_*

It's not necessary to release resource which allocated with devm_*
and those release may leads to a double free. And also remove useless
irq_dispose_mapping() call since mapping not created.

Fixes: 09aab7ad ("i2c: mpc: use device managed APIs")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-mpc.c

@@ -759,12 +759,6 @@ static int fsl_i2c_remove(struct platform_device *op)
 	if (i2c->clk_per)
 		clk_disable_unprepare(i2c->clk_per);
 
-	if (i2c->irq)
-		free_irq(i2c->irq, i2c);
-
-	irq_dispose_mapping(i2c->irq);
-	iounmap(i2c->base);
-	kfree(i2c);
 	return 0;
 };