use conda pyfive in RTD

Author: valeriupredoi

.readthedocs.yaml

@@ -15,8 +15,10 @@ build:
     post_create_environment:
       - conda run -n ${CONDA_DEFAULT_ENV} pip install . --no-deps
       # remove when Pyfive on conda-forge and in our deps
-      - conda run -n ${CONDA_DEFAULT_ENV} git clone https://github.com/NCAS-CMS/pyfive.git
-      - cd pyfive && conda run -n ${CONDA_DEFAULT_ENV} pip install -e .
+      # Pyfive on https://anaconda.org/conda-forge/pyfive
+      # leaving this here in case of debugging needs
+      # - conda run -n ${CONDA_DEFAULT_ENV} git clone https://github.com/NCAS-CMS/pyfive.git
+      # - cd pyfive && conda run -n ${CONDA_DEFAULT_ENV} pip install -e .
 
 # Declare the requirements required to build your docs
 conda: