usb: host: ehci-spear: Remove redundant checks

'hcd' can never be NULL and the spear_ehci_hcd_drv_remove routine
will never be called in_interrupt. Hence remove these checks.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-spear.c

@@ -148,10 +148,6 @@ static int spear_ehci_hcd_drv_remove(struct platform_device *pdev)
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
 	struct spear_ehci *sehci = to_spear_ehci(hcd);
 
-	if (!hcd)
-		return 0;
-	if (in_interrupt())
-		BUG();
 	usb_remove_hcd(hcd);
 
 	if (sehci->clk)