ARM: dts: ux500: Drop TV-out muxgroup on HREFs

The reference designs are not using TV-out so let's
drop that mux group from this file.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-href-family-pinctrl.dtsi

@@ -607,7 +607,6 @@ default_mux1 {
 						groups =
 						"lcdvsi0_a_1", /* VSI0 for LCD */
 						"lcd_d0_d7_a_1", /* Data lines */
-						"lcd_d8_d11_a_1", /* TV-out */
 						"lcdvsi1_a_1"; /* VSI1 for HDMI */
 					};
 					default_mux2 {