drivers: thermal: remove duplicate includes

These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.
Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

drivers/thermal/of-thermal.c

@@ -30,7 +30,6 @@
 #include <linux/err.h>
 #include <linux/export.h>
 #include <linux/string.h>
-#include <linux/thermal.h>
 
 #include "thermal_core.h"