try fixing docs

Author: dcherian

.readthedocs.yml

@@ -1,9 +1,6 @@
 version: 2
 
 build:
-  os: ubuntu-22.04
-  tools:
-    python: mambaforge-4.10
   jobs:
     post_checkout:
       - (git --no-pager log --pretty="tformat:%s" -1 | grep -vqF "[skip-rtd]") || exit 183

ci/doc.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
   - pip
-  - python=3.10
+  - python
   - matplotlib-base
   - netcdf4
   - pooch