Remove obsolete vdc call.

Since b7df01727221dddfb90a7547edfc05c67a98514b, init has
been handling reboots and filesystem unmounts. Remove obsolete
call to vdc.

Bug: 12504045
Change-Id: If8704ca042cb3a68857743b9973e48c52e7eb881
(cherry picked from commit 54587a5a00969d8e09fe85cd3e8cfc57dc4496d3)
2 files changed