Try to remove a sys.path update

Author: A5rocks

docs/source/conf.py

@@ -31,8 +31,6 @@
 
 # For our local_customization module
 sys.path.insert(0, os.path.abspath("."))
-# For trio itself
-sys.path.insert(0, os.path.abspath("../../src"))
 
 # Enable reloading with `typing.TYPE_CHECKING` being True
 os.environ["SPHINX_AUTODOC_RELOAD_MODULES"] = "1"