Do not update conda, use only latest version

Author: mfeurer

.travis.yml

@@ -55,7 +55,6 @@ before_install:
   - bash miniconda.sh -b -p $HOME/miniconda
   - export PATH="$HOME/miniconda/bin:$PATH"
   - if [[ `which conda` ]]; then echo 'Conda installation successful'; else exit 1; fi
-  - conda update --yes conda
   - conda create -n testenv --yes python=$PYTHON_VERSION pip wheel nose
   - source activate testenv
   - conda install --yes gcc swig