bpo-46541: Remove unnecessary Py_VISIT (GH-31608)

Author: corona10

Modules/_csv.c

@@ -60,7 +60,6 @@ _csv_traverse(PyObject *module, visitproc visit, void *arg)
     Py_VISIT(module_state->dialect_type);
     Py_VISIT(module_state->reader_type);
     Py_VISIT(module_state->writer_type);
-    Py_VISIT(module_state->str_write);
     return 0;
 }
 

Modules/arraymodule.c

@@ -3034,11 +3034,6 @@ array_traverse(PyObject *module, visitproc visit, void *arg)
     array_state *state = get_array_state(module);
     Py_VISIT(state->ArrayType);
     Py_VISIT(state->ArrayIterType);
-    Py_VISIT(state->str_read);
-    Py_VISIT(state->str_write);
-    Py_VISIT(state->str__array_reconstructor);
-    Py_VISIT(state->str___dict__);
-    Py_VISIT(state->str_iter);
     return 0;
 }