Revert "Add the 'bdev_type' attribute to all block devices"

Revert this patch since the bdev_type and sysfs_block_type SELinux
attributes are being removed.

Bug: 202520796
Test: Untested.
Change-Id: I283f8676b892c26ece657cc37eb9a254fa9c2f4c
Signed-off-by: Bart Van Assche <bvanassche@google.com>
diff --git a/sepolicy/file.te b/sepolicy/file.te
index 919ef02..54de779 100644
--- a/sepolicy/file.te
+++ b/sepolicy/file.te
@@ -5,5 +5,5 @@
 type sysfs_udc, fs_type, sysfs_type;
 type dri_device, dev_type;
 type rmtfs_device, dev_type;
-type modem_block_device, dev_type, bdev_type;
+type modem_block_device, dev_type;
 type tqftpserv_vendor_data_file, file_type, data_file_type, mlstrustedobject;