Revert "ANDROID: sdcardfs: Enable modular sdcardfs"

This reverts commit c0dbfed5ff9fce7a701a33587ea5fea6a84f4dc3 as it is
not needed now that sdcardfs is gone.

Bug: 157700134
Cc: Daniel Rosenberg <drosen@google.com>
Cc: Guenter Roeck <groeck@chromium.org>
Cc: Alistair Strachan <astrachan@google.com>
Cc: Yongqin Liu <yongqin.liu@linaro.org>
Cc: Daniel Rosenberg <drosen@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie7f7bd51fe7e6b9ddb27883d11d959cf69d0361c