Switch to mdi conda-forge package in CI (#176)

* Switch to conda mdi package

* Update ci.yml

.github/workflows/ci.yml

@@ -416,7 +416,7 @@ jobs:
           sudo apt-get install gfortran
           conda install -y -c conda-forge numpy
           conda install -y -c conda-forge pytest
-          conda install -y -c conda-forge pymdi
+          conda install -y -c conda-forge mdi mpi4py
 
       - name: Install local build
         shell: bash -el {0}
@@ -426,7 +426,6 @@ jobs:
           cd build
           cmake -Dtest_codes=ON -DCMAKE_INSTALL_PREFIX=./install ..
           make VERBOSE=1
-          #make install
           rm MDI_Library/__init__.py
           rm MDI_Library/mdi.py
           ls