Removed extra test conda env

conda_env_CW.yml

@@ -1,21 +0,0 @@
-# This file may be used to create a conda environment using:
-# $ conda create --name gprMax --file <this file>
-
-name: gprMax
-dependencies:
-- python>3.6
-- colorama
-- cython
-- h5py
-- jupyter
-- matplotlib
-- numpy
-- pip
-- psutil
-- scipy
-
-- pip:
-  - terminaltables
-  - tqdm
- # - mpi4py
- # - pycuda