Clean up RTD build spec

Remove unnecessary comments

.readthedocs.yaml

@@ -1,35 +1,15 @@
 # Read the Docs configuration file for Sphinx projects
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
-
-# Required
 version: 2
-
-# Set the OS, Python version and other tools you might need
 build:
   os: ubuntu-22.04
   tools:
     python: "3.11"
-    # You can also specify other tool versions:
-    # nodejs: "20"
-    # rust: "1.70"
-    # golang: "1.20"
-
-# Build documentation in the "docs/" directory with Sphinx
 sphinx:
   configuration: docs/conf.py
-  # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
-  # builder: "dirhtml"
-  # Fail on all warnings to avoid broken references
-  # fail_on_warning: true
-
-# Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
    - epub
-
-# Optional but recommended, declare the Python requirements required
-# to build your documentation
-# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 python:
    install:
    - requirements: requirements.txt