Remove unused lofar-requirements.txt

docker-compose/itango/Dockerfile

@@ -8,7 +8,3 @@ RUN sudo apt-get -y update && \
     sudo apt-get -y install telnet tmux traceroute vim xterm git && \
     sudo aptitude clean && \
     sudo aptitude autoclean
-
-COPY lofar-requirements.txt /lofar-requirements.txt
-RUN sudo pip3 install -r /lofar-requirements.txt && \
-    sudo pip3 cache purge