Merge branch 'remove_py2osx_builds' into 'master'

Remove Python 2 mac builds for the CI

Closes #157

See merge request !20

.gitlab-ci.yml

@@ -83,12 +83,6 @@ build_linux_36:
       - ${CONDA_ROOT}/conda-bld/linux-64/*.tar.bz2
 
 
-build_macosx_27:
-  <<: *macosx_build_job
-  variables:
-    PYTHON_VERSION: "2.7"
-
-
 build_macosx_36:
   <<: *macosx_build_job
   variables:
@@ -139,7 +133,6 @@ browser_linux_36:
   dependencies:
     - build_linux_27
     - build_linux_36
-    - build_macosx_27
     - build_macosx_36
   tags:
     - deployer