Don't list sphinx_rtd_theme in rtd_environment

goerz · goerz · commit a8f7e2dedded · 2018-04-08T00:16:34.000-04:00
The sphinx_rtd_theme package is installed automatically.
diff --git a/docs/rtd_environment.yml b/docs/rtd_environment.yml
@@ -9,5 +9,3 @@ dependencies:
   - pytest-xdist
   - coverage
   - flake8
-  - pip:
-      - sphinx_rtd_theme==0.3.0
