Remove unnecessary util.callable usage

Fixes: #4850

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### Description
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Removes usage of `util.callable`.

### Checklist
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This pull request is:

- [ ] A documentation / typographical error fix
	- Good to go, no issue or tests are needed
- [x] A short code fix
	- please include the issue number, and create an issue if none exists, which
	  must include a complete example of the issue.  one line code fixes without an
	  issue and demonstration will not be accepted.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.   one line code fixes without tests will not be accepted.
- [ ] A new feature implementation
	- please include the issue number, and create an issue if none exists, which must
	  include a complete example of how the feature would look.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.

**Have a nice day!**

Closes: #4851
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/4851
Pull-request-sha: a0ccdff2cb74f5e944d8baccc269c382b591c8e2

Change-Id: I79918f44becbc5dbefdc7ff65128695c1cabed1d

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/sqlalchemy/ext/orderinglist.py b/lib/sqlalchemy/ext/orderinglist.py
index 16e0f1f2a..5dbe58726 100644
--- a/lib/sqlalchemy/ext/orderinglist.py
+++ b/lib/sqlalchemy/ext/orderinglist.py
@@ -119,7 +119,6 @@ start numbering at 1 or some other integer, provide ``count_from=1``.
 
 
 """
-from .. import util
 from ..orm.collections import collection
 from ..orm.collections import collection_adapter
 
@@ -367,7 +366,7 @@ class OrderingList(list):
 
     for func_name, func in list(locals().items()):
         if (
-            util.callable(func)
+            callable(func)
             and func.__name__ == func_name
             and not func.__doc__
             and hasattr(list, func_name)