hammerhead: Remove vmalloc from kernel command line
hammerhead: Remove vmalloc from kernel command line

Drop vmalloc reserve of 400M

Bug: 9582352
Change-Id: Id8f6bc035324dd2ac8dcead8198fc9dfded9d88b

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead