sanitycheck: fix initlevel section being mentioned twice

The "initlevel" section is being metioned twice. It does not affect
the final size calculation, but just remove it just for reader's
sanity.

Change-Id: I0e7d6e82c730631d2c83ca09dde0f675805840f3
Signed-off-by: Daniel Leung <daniel.leung@intel.com>