test: remove file-removal that isn't needed anymore

Author: nedbat

tests/helpers.py

@@ -170,12 +170,6 @@ def re_line(pat, text):
     return lines[0]
 
 
-def remove_files(*patterns):
-    """Remove all files that match any of the patterns."""
-    for pattern in patterns:
-        for fname in glob.glob(pattern):
-            os.remove(fname)
-
 def remove_tree(dirname):
     """Remove a directory tree.
 

tests/mixins.py

@@ -15,7 +15,7 @@
 import pytest
 
 from coverage.misc import SysModuleSaver
-from tests.helpers import change_dir, make_file, remove_files, remove_tree
+from tests.helpers import change_dir, make_file, remove_tree
 
 
 class PytestBase:
@@ -99,10 +99,9 @@ def clean_local_file_imports(self):
         # So that we can re-import files, clean them out first.
         self._sys_module_saver.restore()
 
-        # Also have to clean out the .pyc file, since the timestamp
+        # Also have to clean out the .pyc files, since the timestamp
         # resolution is only one second, a changed file might not be
         # picked up.
-        remove_files("*.pyc", "*$py.class")
         remove_tree("__pycache__")
         importlib.invalidate_caches()