thermal: intel: x86_pkg_temp_thermal: Drop duplicate 'is' from comment

There is an unexpected word 'is' in a comments that need to be dropped

file: ./drivers/thermal/intel/x86_pkg_temp_thermal.c
line: 108

* tj-max is is interesting because threshold is set relative to this

changed to:

* tj-max is interesting because threshold is set relative to this
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/thermal/intel/x86_pkg_temp_thermal.c

@@ -105,7 +105,7 @@ static struct zone_device *pkg_temp_thermal_get_dev(unsigned int cpu)
 }
 
 /*
-* tj-max is is interesting because threshold is set relative to this
+* tj-max is interesting because threshold is set relative to this
 * temperature.
 */
 static int get_tj_max(int cpu, u32 *tj_max)