From b6e98ce6b6c766ee735f45f25f78d957327f54e9 Mon Sep 17 00:00:00 2001
From: Hanzallah Burney <hanzallahazimburney@live.com>
Date: Thu, 24 Nov 2022 15:01:15 +0100
Subject: [PATCH] Remove unnecessary backwards compatibility comments (#5732)

---
 scrapy/utils/conf.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py
index 6404edda6..7a5f8f065 100644
--- a/scrapy/utils/conf.py
+++ b/scrapy/utils/conf.py
@@ -44,14 +44,12 @@ def build_component_list(compdict, custom=None, convert=update_classpath):
                 raise ValueError(f'Invalid value {value} for component {name}, '
                                  'please provide a real number or None instead')
 
-    # BEGIN Backward compatibility for old (base, custom) call signature
     if isinstance(custom, (list, tuple)):
         _check_components(custom)
         return type(custom)(convert(c) for c in custom)
 
     if custom is not None:
         compdict.update(custom)
-    # END Backward compatibility
 
     _validate_values(compdict)
     compdict = without_none_values(_map_keys(compdict))