Updated files with 'repo_helper'.

Author: repo-helper[bot]

tox.ini

@@ -82,7 +82,6 @@ download = True
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
-    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py312]
 download = True
@@ -252,7 +251,6 @@ download = True
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
-    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py313-dev-click{7.1,8.0,8.1}]
 download = True