Remove Python 3.9 support (#13861)

Closes #13858
Authored by: bashonly

yt_dlp/compat/types.py

@@ -1,13 +0,0 @@
-# flake8: noqa: F405
-from types import *  # noqa: F403
-
-from .compat_utils import passthrough_module
-
-passthrough_module(__name__, 'types')
-del passthrough_module
-
-try:
-    # NB: pypy has builtin NoneType, so checking NameError won't work
-    from types import NoneType  # >= 3.10
-except ImportError:
-    NoneType = type(None)

yt_dlp/compat/urllib/request.py

@@ -22,15 +22,11 @@ if os.name == 'nt':
 
     def getproxies_registry_patched():
         proxies = getproxies_registry()
-        if (
-            sys.version_info >= (3, 10, 5)  # https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-5-final
-            or (3, 9, 13) <= sys.version_info < (3, 10)  # https://docs.python.org/3.9/whatsnew/changelog.html#python-3-9-13-final
-        ):
-            return proxies
 
-        for scheme in ('https', 'ftp'):
-            if scheme in proxies and proxies[scheme].startswith(f'{scheme}://'):
-                proxies[scheme] = 'http' + proxies[scheme][len(scheme):]
+        if sys.version_info < (3, 10, 5):  # https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-5-final
+            for scheme in ('https', 'ftp'):
+                if scheme in proxies and proxies[scheme].startswith(f'{scheme}://'):
+                    proxies[scheme] = 'http' + proxies[scheme][len(scheme):]
 
         return proxies