(Fix) .readthedocs.yml

Why: Try removing some extra stuff and keep simple

How: Remove extra requirements

Tags: continuous integration documentation

Author: 8563a236e65cede7b14220e65c70ad5718144a3

.readthedocs.yml

@@ -12,7 +12,7 @@ build:
     - texlive-full
     - texlive-latex-extra
 
-    # Build documentation in the docs/ directory with Sphinx
+# Build documentation in the docs/ directory with Sphinx
 sphinx:
    configuration: docs/source/conf.py
 
@@ -27,6 +27,4 @@ python:
    - requirements: docs/requirements.txt
    - method: pip
      path: .
-     extra_requirements:
-       - docs
    system_packages: true