storaged: remove access to sysfs_type

Bug: 68388678
Test: storaged-unit-tests
Change-Id: Iea1ba0131a389dc4396ff3ebe2cdf68dbd688c8a

private/domain.te

@@ -38,7 +38,6 @@ full_treble_only(`
     -dumpstate
     -init
     -priv_app
-    -storaged
     -system_app
     -ueventd
     -vold

private/storaged.te

@@ -5,7 +5,6 @@ type storaged_exec, exec_type, file_type;
 init_daemon_domain(storaged)
 
 # Read access to pseudo filesystems
-r_dir_file(storaged, sysfs_type)
 r_dir_file(storaged, proc_net)
 r_dir_file(storaged, domain)