score:8
Yes we can!
You told them your Destination was Poland, and you applied at Polish embassy, and Your visa is from Poland, and you directly want to go to Poland. No one is going to bother asking about the German route!
This Schengen Zone concept sometimes makes the most basic things look difficult to a visitor. You're good. Enjoy your trip.
Hypothetical Q/A
Q: Why didn't you come via Germany?
Me: A direct flight is much better, easier and saves me some Euros!