rename test file to avoid conflict

Author: lliangyu-lin

tests/table/test_deletes.py tests/table/test_delete.pytests/table/test_deletes.py renamed to tests/table/test_delete.py

@@ -23,7 +23,7 @@
 from pyiceberg.catalog.memory import InMemoryCatalog
 from pyiceberg.exceptions import NoSuchTableError
 from pyiceberg.expressions import LessThanOrEqual
-from pyiceberg.manifest import ManifestContent, ManifestEntryStatus
+from pyiceberg.manifest import ManifestEntryStatus
 
 
 @pytest.fixture