Delete icesm_workshop.yml

bccr_icesm_tutorial/iCESM/icesm_workshop.yml

-name: icesm_work
-channels:
-    - conda-forge
-    - defaults
-dependencies:
-    - python=3.6.10 # Python version 3.6
-    - cartopy       # Geographic plotting toolkit
-    - notebook      # Jupyter notebook environment. Can also have jupyterlab
-    - matplotlib    # 2D plotting library
-    - netcdf4       # Wrapper for netcdf4
-    - numpy         # N-d array and numerics
-    - xarray        # N-d labeled array library
-    - seaborn       # Box plotting
-    - ipykernel     # install python env as jupyter kernel