[gh-71] we don't need to install netcat

Author: jdamerow

Dockerfile-prod

@@ -4,7 +4,7 @@ ENV PYTHONUNBUFFERED=1
 
 WORKDIR /edrop
 
-RUN apt-get update && apt-get install -y supervisor netcat-traditional && \
+RUN apt-get update && apt-get install -y supervisor && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
 COPY edrop-gunicorn.sh /edrop/edrop-gunicorn.sh