Task LSMR-102: Remove superfluous hotpatch, lingering use of fixed LSMR-epic branch

SAS/LSMR/docker/lsmr/Dockerfile

@@ -19,9 +19,9 @@ RUN apt-get -y install python3-pip && pip3 install django djangorestframework dj
 RUN mkdir /src && \
     cd /src && \
     svn co -N https://svn.astron.nl/LOFAR/branches/$BRANCH/ && \
-    cd LSMR-epic && \
+    cd $BRANCH/ && \
     svn up CMake
-RUN mkdir -p /build/gnu_debug && cd /build/gnu_debug && cmake /src/LSMR-epic -DBUILD_PACKAGES=LSMR -DCMAKE_INSTALL_PREFIX=/opt/lofar && make -j 8 && make -j 8 install
+RUN mkdir -p /build/gnu_debug && cd /build/gnu_debug && cmake /src/$BRANCH/ -DBUILD_PACKAGES=LSMR -DCMAKE_INSTALL_PREFIX=/opt/lofar && make -j 8 && make -j 8 install
 
 # Configure authentication
 ADD dbcreds.ini /opt/lofar/etc/dbcredentials/lsmr.ini
@@ -33,7 +33,6 @@ EXPOSE 8000
 RUN echo "ALLOWED_HOSTS=['*']" >> /opt/lofar/lib/python3.6/site-packages/lofar/sas/lsmr/lsmr/settings.py
 
 # Hot patches
-RUN sed -i "s/PASS/PASSWORD/" /opt/lofar/lib/python3.6/site-packages/lofar/sas/lsmr/lsmr/settings.py
 
 # Run LOFAR app
 CMD bash -c 'source /opt/lofar/lofarinit.sh && lsmr'