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
diff --git a/drivers/staging/android/ion/ion_dummy_driver.c b/drivers/staging/android/ion/ion_dummy_driver.c
index c57ea89..1991626 100644
--- a/drivers/staging/android/ion/ion_dummy_driver.c
+++ b/drivers/staging/android/ion/ion_dummy_driver.c
@@ -38,11 +38,6 @@
 			.name	= "system",
 		},
 		{
-			.id	= ION_HEAP_TYPE_SYSTEM_CONTIG,
-			.type	= ION_HEAP_TYPE_SYSTEM_CONTIG,
-			.name	= "system contig",
-		},
-		{
 			.id	= ION_HEAP_TYPE_CARVEOUT,
 			.type	= ION_HEAP_TYPE_CARVEOUT,
 			.name	= "carveout",