Remove dead code catch in LambdaDeserializer
Remove dead code catch in LambdaDeserializer

I should have removed the try/catch when I removed the code path that
could throw that exception in 131402fd5.

martijnhoekstra/scala,lrytz/scala,lrytz/scala,scala/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,scala/scala,lrytz/scala,scala/scala,lrytz/scala,scala/scala,scala/scala,martijnhoekstra/scala,martijnhoekstra/scala,martijnhoekstra/scala,martijnhoekstra/scala,lrytz/scala