qcom: Remove duplicate rules

Change-Id: I9d24524d5a42a4015bbd03cf30a337525bed340a
diff --git a/qcom/vendor/hal_power_default.te b/qcom/vendor/hal_power_default.te
index d212bf4..665e3d3 100644
--- a/qcom/vendor/hal_power_default.te
+++ b/qcom/vendor/hal_power_default.te
@@ -1,9 +1,6 @@
-r_dir_file(hal_power_default, sysfs_graphics)
-
 # To do powerhint on nodes defined in powerhint.json
 rw_dir_file(hal_power_default, proc_sched_energy_aware)
 rw_dir_file(hal_power_default, sysfs_devfreq)
-rw_dir_file(hal_power_default, sysfs_devfreq)
 rw_dir_file(hal_power_default, sysfs_graphics)
 rw_dir_file(hal_power_default, sysfs_kgsl)
 rw_dir_file(hal_power_default, sysfs_scsi_host)