remoteproc/qcom_sysmon.c: Remove duplicate header

Remove linux/notifier.h which is included more than once
Acked-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

drivers/remoteproc/qcom_sysmon.c

@@ -7,7 +7,6 @@
 #include <linux/notifier.h>
 #include <linux/slab.h>
 #include <linux/io.h>
-#include <linux/notifier.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/remoteproc/qcom_rproc.h>