Remove sync from /home mount options

Change-Id: I748e5f66685fbcaf3415c7a40395d5758fc0d82c
diff --git a/fstab.emmc b/fstab.emmc
index c8614fa..a83daee 100644
--- a/fstab.emmc
+++ b/fstab.emmc
@@ -1,4 +1,4 @@
 /dev/mmcblk0p4 / ext4 noatime,defaults 0 1
 /dev/mmcblk0p1 /boot ext2 noatime,defaults 0 2
-/dev/mmcblk0p3 /home ext4 noatime,sync,nosuid,nodev,defaults 0 3
+/dev/mmcblk0p3 /home ext4 noatime,nosuid,nodev,defaults 0 3
 tmpfs /var/log tmpfs defaults 0 0