Remove unneeded package

Dockerfile

@@ -2,7 +2,7 @@ FROM debian:stable as build
 
 ENV PYTHONUNBUFFERED=1
 
-RUN apt-get update && apt-get install -y python3 python3-pip git openssh-server
+RUN apt-get update && apt-get install -y python3 python3-pip git
 
 COPY requirements.txt ./requirements.txt
 RUN pip3 install -r ./requirements.txt