Update .readthedocs.yml

.readthedocs.yml

@@ -8,7 +8,7 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.8"
+    python: "mambaforge-22.9"
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
@@ -17,11 +17,5 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF
 formats: all
 
-# Optionally set the version of Python and requirements required to build your docs
-python:
-  install:
-    - method: setuptools
-      path: .
-
 conda:
   environment: rtd_environment.yml