Cleanup Dockerfile

Change-Id: I0dcb63ad0936498b9a075088fd18ebe9ff01b907
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 0eed995..f117a09 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -22,5 +22,4 @@
 
 RUN pip3 install -r requirements.txt
 
-ENTRYPOINT ["./bin/person_detection.sh"]
-CMD ["-pt 0.75"]
+CMD ["./bin/person_detection.sh"]