Remove deprecated method call in docs\conf.py

Removed call of method `get_html_theme_path()` in `docs\conf.py` that made the `test` job of the `Build CI` workflow fail.

Author: EGJ-Moorington

docs/conf.py

@@ -114,7 +114,7 @@
 import sphinx_rtd_theme
 
 html_theme = "sphinx_rtd_theme"
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
+# html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,