miniconda/install_miniconda.sh: Remove python `drmaa` package installation from the miniconda install script.
miniconda/install_miniconda.sh: Remove python `drmaa` package installation from the miniconda install script.

jakirkham/docker_centos_drmaa_conda,jakirkham/docker_basic,DudLab/docker_centos_drmaa_conda,nanshe-org/docker_centos_drmaa_conda