MAINTAINERS: usb: phy: update patterns

Commit a0e631235a ("usb: phy: move all PHY drivers to
drivers/usb/phy/") deleted the files, remove the file pattern.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -8772,7 +8772,6 @@ L:	linux-usb@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
 S:	Maintained
 F:	drivers/usb/phy/
-F:	drivers/usb/otg/
 
 USB PRINTER DRIVER (usblp)
 M:	Pete Zaitcev <zaitcev@redhat.com>