BF(docker): replace old -tipsy with -y -all for conda clean as neurodocker does now

Author: yarikoptic

Dockerfile

@@ -88,15 +88,15 @@ RUN export PATH="/opt/miniconda-latest/bin:$PATH" \
     && conda config --system --prepend channels conda-forge \
     && conda config --system --set auto_update_conda false \
     && conda config --system --set show_channel_urls true \
-    && sync && conda clean -tipsy && sync \
+    && sync && conda clean -y --all && sync \
     && conda install -y -q --name base \
            'python=3.7' \
            'traits>=4.6.0' \
            'scipy' \
            'numpy' \
            'nomkl' \
            'pandas' \
-    && sync && conda clean -tipsy && sync \
+    && sync && conda clean -y --all && sync \
     && bash -c "source activate base \
     &&   pip install --no-cache-dir --editable \
              '/src/heudiconv[all]'" \