ANDROID: android-base.cfg: remove spurious CONFIG_MODULES line

CONFIG_MODULES must be enabled as part of the android base kernel
configuration. There is already a line specifying the option be
enabled, but there was a pre-existing line requiring it be disabled.
Remove it.

Bug: 38224475
Change-Id: I608de5ae68f3a03d5da4e5800bbf37cc71dff8b8
Signed-off-by: Steve Muckle <smuckle@google.com>