ANDROID: ion_dummy_driver: Remove SYSTEM_CONTIG heap

The SYSTEM_CONTIG heap is disabled due to commit 983e064bcbe0
("ion: Disable ION_HEAP_TYPE_SYSTEM_CONTIG").

So remove it from the ion_dummy_driver as well.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: I6890e8988b979b81445585ced8c526f05efbbe7f
1 file changed