Remove unnecessary try/catch.

Since we now use the Compat class, there is no need for the try/catch
block.
Merge pull request #135 from flerda/v2.0.2-try

Remove unnecessary try/catch.
Add disableWriterAheadLogging() on Nook HD Plus.

The Nook HD Plus seems to have trouble without calling this hidden API.
This should fix users of this device. Further testing is required to
know if the same fix is required on other versions of Nook as well.