MAINTAINERS: remove non-existant URLs

Remove references to web pages that are no longer up and running.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

MAINTAINERS

@@ -2633,7 +2633,6 @@ MOTOROLA IMX MMC/SD HOST CONTROLLER INTERFACE DRIVER
 P:	Pavel Pisa
 M:	ppisa@pikron.com
 L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
-W:	http://mmc.drzeus.cx/wiki/Controllers/Freescale/SDHC
 S:	Maintained
 
 MOUSE AND MISC DEVICES [GENERAL]
@@ -3655,7 +3654,6 @@ SECURE DIGITAL HOST CONTROLLER INTERFACE DRIVER
 P:	Pierre Ossman
 M:	drzeus-sdhci@drzeus.cx
 L:	sdhci-devel@list.drzeus.cx
-W:	http://mmc.drzeus.cx/wiki/Linux/Drivers/sdhci
 S:	Maintained
 
 SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
@@ -4225,7 +4223,6 @@ W83L51xD SD/MMC CARD INTERFACE DRIVER
 P:	Pierre Ossman
 M:	drzeus-wbsd@drzeus.cx
 L:	linux-kernel@vger.kernel.org
-W:	http://projects.drzeus.cx/wbsd
 S:	Maintained
 
 WATCHDOG DEVICE DRIVERS