Revert "docs: fix deprecation of analytics in RTD"

This reverts commit 4874428.

We'll stick with RTD-builtin-analytics for now.

Author: wolfgangwalther

docs/conf.py

@@ -313,12 +313,6 @@ def setup(app):
 ogp_enable_meta_description = True
 ogp_description_length = 300
 
-# sphinxcontrib.googleanalytics configuration
-if os.environ.get("READTHEDOCS"):
-    extensions.append("sphinxcontrib.googleanalytics")
-    googleanalytics_enabled = True
-    googleanalytics_id = "G-5CGB3QTKF1"
-
 ## RTD sets html_baseurl, ensures we use the correct env for canonical URLs
 ## Useful to generate correct meta tags for Open Graph
 ## Refs: https://github.com/readthedocs/readthedocs.org/issues/10226, https://github.com/urllib3/urllib3/pull/3064

docs/requirements.txt

@@ -5,6 +5,5 @@ sphinx-rtd-theme>=0.5.1
 sphinx-rtd-dark-mode>=1.3.0
 sphinx-tabs>=3.2.0
 sphinx>=5.0.2
-sphinxcontrib-googleanalytics>=0.4
 sphinxext-opengraph==0.9.1
 urllib3==2.2.3