CI: remove fixed conda version

jreback · TomAugspurger · commit 4d571bb34aa9 · 2017-12-29T14:21:28.000-06:00
diff --git a/ci/install_travis.sh b/ci/install_travis.sh
@@ -56,11 +56,6 @@ if [ "$CONDA_BUILD_TEST" ]; then
     conda install conda-build
 fi
 
-# TODO(jreback)
-echo
-echo "[fix conda version]"
-conda install conda=4.3.30
-
 echo
 echo "[add channels]"
 conda config --remove channels defaults || exit 1
