usb: gadget: mv_u3d_core: Remove redundant platform_set_drvdata()

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Yu Xu <yuxu@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/mv_u3d_core.c

@@ -1786,8 +1786,6 @@ static int mv_u3d_remove(struct platform_device *dev)
 
 	clk_put(u3d->clk);
 
-	platform_set_drvdata(dev, NULL);
-
 	kfree(u3d);
 
 	return 0;
@@ -1997,7 +1995,6 @@ static int mv_u3d_probe(struct platform_device *dev)
 err_get_cap_regs:
 err_get_clk:
 	clk_put(u3d->clk);
-	platform_set_drvdata(dev, NULL);
 	kfree(u3d);
 err_alloc_private:
 err_pdata: