MAINTAINERS: Remove phy-stih41x-usb.c entry from STi arch

Remove this driver as the IP is only found on STiH415/6
silicon, and support for these SoC's is being removed
from the kernel.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: <kishon@ti.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>

MAINTAINERS

@@ -1780,7 +1780,6 @@ F:	drivers/media/platform/sti/c8sectpfe/
 F:	drivers/mmc/host/sdhci-st.c
 F:	drivers/phy/phy-miphy28lp.c
 F:	drivers/phy/phy-stih407-usb.c
-F:	drivers/phy/phy-stih41x-usb.c
 F:	drivers/pinctrl/pinctrl-st.c
 F:	drivers/remoteproc/st_remoteproc.c
 F:	drivers/reset/sti/