arm64: dts: exynos: remove unused TMU alias

The ID of this alias is checked by the exynos-tmu driver, but isn't used
anywhere and omitting it does not cause an error. Indeed, this is the
only Exynos device that defines this alias.

Signed-off-by: Mateusz Majewski <m.majewski2@samsung.com>
Link: https://lore.kernel.org/r/20230911133342.14028-1-m.majewski2@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm64/boot/dts/exynos/exynos7.dtsi

@@ -25,7 +25,6 @@
 		pinctrl6 = &pinctrl_fsys0;
 		pinctrl7 = &pinctrl_fsys1;
 		pinctrl8 = &pinctrl_bus1;
-		tmuctrl0 = &tmuctrl_0;
 	};
 
 	arm-pmu {