refactor: remove packaging dependency

Author: gnufede

conftest.py

@@ -11,7 +11,6 @@
 from time import time
 
 import hypothesis
-from packaging.version import Version
 import pytest
 
 
@@ -100,15 +99,8 @@ def _pytest_ignore_collect(path, outcome):
                 outcome.force_result(True)
 
 
-_pytest_version = Version(pytest.__version__)
-PYTEST_GTE_7 = any(
-    [
-        _pytest_version.is_devrelease,
-        _pytest_version.is_prerelease,
-        _pytest_version >= Version("7.0"),
-    ]
-)
-
+_pytest_version = pytest.__version__
+PYTEST_GTE_7 = int(_pytest_version.split(".")[0]) >= 7
 if PYTEST_GTE_7:
 
     @pytest.hookimpl(hookwrapper=True)

riotfile.py

@@ -95,7 +95,6 @@ def select_pys(min_version=MIN_PYTHON_VERSION, max_version=MAX_PYTHON_VERSION):
         "coverage": latest,
         "pytest-cov": latest,
         "opentracing": latest,
-        "packaging": ">=14.0",
         "hypothesis": "<6.45.1",
     },
     env={