MAINTAINERS: wifi: rtl8xxxu: remove git tree

Jes' tree hasn't been used for six years so remove it.
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230828123603.87621-3-kvalo@kernel.org

MAINTAINERS

@@ -18601,7 +18601,6 @@ RTL8XXXU WIRELESS DRIVER (rtl8xxxu)
 M:	Jes Sorensen <Jes.Sorensen@gmail.com>
 L:	linux-wireless@vger.kernel.org
 S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jes/linux.git rtl8xxxu-devel
 F:	drivers/net/wireless/realtek/rtl8xxxu/
 
 RTRS TRANSPORT DRIVERS