thermal:ti-soc-thermal: Remove duplicate include in ti-bandgap

'of_device.h' included in 'ti-bandgap.c' is duplicated.
It is also included in the 25th line.
Signed-off-by: Zhang Yunkai <zhang.yunkai@zte.com.cn>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210306123415.219441-1-zhang.yunkai@zte.com.cn

drivers/thermal/ti-soc-thermal/ti-bandgap.c

@@ -32,7 +32,6 @@
 #include <linux/pm_runtime.h>
 #include <linux/pm.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 
 #include "ti-bandgap.h"