marlin/sailfish: Remove redundant sepolicy for wpa_supplicant

These permissions are already granted to wpa_supplicant in
sepolicy/public/hal_wifi_supplicant.te.

Bug: 35684372
Test: Integration tests
Change-Id: I3a208784ecdace1a703fb9151a6708f95f9874a6
diff --git a/sepolicy/wpa.te b/sepolicy/wpa.te
deleted file mode 100644
index ff432ea..0000000
--- a/sepolicy/wpa.te
+++ /dev/null
@@ -1,6 +0,0 @@
-# in addition to ioctl commands granted to domain allow wpa to use:
-allowxperm wpa self:udp_socket ioctl priv_sock_ioctls;
-allowxperm wpa self:packet_socket ioctl { SIOCGIFINDEX SIOCGIFHWADDR };
-
-# read files in /sys
-r_dir_file(wpa, sysfs_type)