Drop pkg_resources import

It is unused since 17e9297 and no longer exists since setuptools 82

Author: antonio-rojas

src/py-opentimelineio/opentimelineio/console/otioconvert.py

@@ -9,12 +9,6 @@
 
 import opentimelineio as otio
 
-# on some python interpreters, pkg_resources is not available
-try:
-    import pkg_resources
-except ImportError:
-    pkg_resources = None
-
 __doc__ = """ Python wrapper around OTIO to convert timeline files between \
 formats.