Remove imagemagick from dockerfile

docker/Dockerfile

@@ -162,10 +162,3 @@ COPY lmnet /home/blueoil/lmnet
 
 ENV PYTHONPATH $PYTHONPATH:/home/blueoil:/home/blueoil/lmnet:/home/blueoil/dlk/python/dlk
 WORKDIR /home/blueoil
-
-# For development
-RUN apt-get update && apt-get install -y \
-     x11-apps imagemagick
-
-RUN  apt-get clean && \
-     rm -rf /var/lib/apt/lists/*

lmnet/dockerfiles/cpu.Dockerfile

@@ -64,11 +64,3 @@ RUN pip install -r /tmp/cpu.requirements.txt
 COPY third_party third_party
 # https://github.com/cocodataset/cocoapi/blob/440d145a30b410a2a6032827c568cff5dc1d2abf/PythonAPI/setup.py#L2
 RUN cd third_party/coco/PythonAPI && pip install -e .
-
-# For development 
-RUN apt-get update && apt-get install -y \
-    x11-apps \
-    imagemagick \
-    && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*

lmnet/dockerfiles/gpu-volta.Dockerfile

@@ -83,13 +83,6 @@ COPY third_party third_party
 # https://github.com/cocodataset/cocoapi/blob/440d145a30b410a2a6032827c568cff5dc1d2abf/PythonAPI/setup.py#L2
 RUN cd third_party/coco/PythonAPI && pip install -e .
 
-# For development 
-RUN apt-get update && apt-get install -y \
-    x11-apps \
-    imagemagick \
-    && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
 
 # Configure OpenMPI to run good defaults:
 #   --bind-to none --map-by slot --mca btl_tcp_if_exclude lo,docker0 --mca btl_vader_single_copy_mechanism none

lmnet/dockerfiles/gpu.Dockerfile

@@ -64,11 +64,3 @@ RUN pip install -r /tmp/gpu.requirements.txt
 COPY third_party third_party
 # https://github.com/cocodataset/cocoapi/blob/440d145a30b410a2a6032827c568cff5dc1d2abf/PythonAPI/setup.py#L2
 RUN cd third_party/coco/PythonAPI && pip install -e .
-
-# For development 
-RUN apt-get update && apt-get install -y \
-    x11-apps \
-    imagemagick \
-    && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*

lmnet/dockerfiles/multi-gpu.Dockerfile

@@ -110,13 +110,6 @@ COPY third_party third_party
 # https://github.com/cocodataset/cocoapi/blob/440d145a30b410a2a6032827c568cff5dc1d2abf/PythonAPI/setup.py#L2
 RUN cd third_party/coco/PythonAPI && pip install -e .
 
-# For development 
-RUN apt-get update && apt-get install -y \
-    x11-apps \
-    imagemagick \
-    && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
 
 # Configure OpenMPI to run good defaults:
 #   --bind-to none --map-by slot --mca btl_tcp_if_exclude lo,docker0 --mca btl_vader_single_copy_mechanism none