ARM: exynos_defconfig: Remove CONFIG_EXYNOS_THERMAL_CORE define

After Exynos TMU rework to use device tree for configuration
this flag can be removed. It is not used anymore.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/configs/exynos_defconfig

@@ -93,7 +93,6 @@ CONFIG_HWMON=y
 CONFIG_SENSORS_LM90=y
 CONFIG_THERMAL=y
 CONFIG_EXYNOS_THERMAL=y
-CONFIG_EXYNOS_THERMAL_CORE=y
 CONFIG_WATCHDOG=y
 CONFIG_S3C2410_WATCHDOG=y
 CONFIG_MFD_CROS_EC=y