Remove /sys/devices/virtual/net labeling from core.

Bug: 72878750
Test: build sepolicy
Change-Id: Ifa6822e042beed0e5971c85155aa526912807c8a

private/genfs_contexts

@@ -105,7 +105,6 @@ genfscon sysfs /devices/virtual/block/zram1     u:object_r:sysfs_zram:s0
 genfscon sysfs /devices/virtual/block/zram0/uevent    u:object_r:sysfs_zram_uevent:s0
 genfscon sysfs /devices/virtual/block/zram1/uevent    u:object_r:sysfs_zram_uevent:s0
 genfscon sysfs /devices/virtual/misc/hw_random    u:object_r:sysfs_hwrandom:s0
-genfscon sysfs /devices/virtual/net             u:object_r:sysfs_net:s0
 genfscon sysfs /devices/virtual/switch          u:object_r:sysfs_switch:s0
 genfscon sysfs /firmware/devicetree/base/firmware/android u:object_r:sysfs_dt_firmware_android:s0
 genfscon sysfs /fs/ext4/features                  u:object_r:sysfs_fs_ext4_features:s0