Remove sphinx-autobuild as doc requirement (#1764)

Author: PProfizi

requirements/requirements_docs.txt

@@ -8,7 +8,6 @@ pypandoc==1.13
 pytest-sphinx==0.6.3
 pyvista==0.44.1
 sphinx==7.1.0
-sphinx-autobuild==2024.2.4
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.17.1
 sphinx-notfound-page==1.0.4