[update] remove temporary deprecation code

Authored by: bashonly

yt_dlp/update.py

@@ -142,21 +142,6 @@ def _get_binary_name():
 def _get_system_deprecation():
     MIN_SUPPORTED, MIN_RECOMMENDED = (3, 9), (3, 10)
 
-    EXE_MSG_TMPL = ('Support for {} has been deprecated. '
-                    'See  https://github.com/yt-dlp/yt-dlp/{}  for details.\n{}')
-    STOP_MSG = 'You may stop receiving updates on this version at any time!'
-    variant = detect_variant()
-
-    # Temporary until linux_armv7l executable builds are discontinued
-    if variant == 'linux_armv7l_exe':
-        return EXE_MSG_TMPL.format(
-            f'{variant} (the PyInstaller-bundled executable for the Linux armv7l platform)',
-            'issues/13976', STOP_MSG)
-
-    # Temporary until linux_aarch64_exe is built with Python >=3.10 instead of Python 3.9
-    if variant == 'linux_aarch64_exe':
-        return None
-
     if sys.version_info > MIN_RECOMMENDED:
         return None