defconfig: Remove some unnecessary config for bengal 32bit

Remove some unnecessary config for bengal 32bit.

Change-Id: I7aeb17ce1e4504df223544da7b770708dfa467d6
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>
Signed-off-by: Cong Zhang <congzhan@codeaurora.org>
2 files changed