Remove useless try/catch
Remove useless try/catch

Catching to rethrow merely hides the context of the original error.
Important data, such as the position of the error, as well as the stack trace
is hidden away with not much provided in return.

If a developer sees an exception originating inside this library, he doesn't
need the additional note about initialization of favico, that is clear from
the stack trace.
9040044/favico.js,9040044/favico.js