[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypyc/irbuild/for_helpers.py

@@ -49,7 +49,6 @@
     is_bytes_rprimitive,
     is_dict_rprimitive,
     is_fixed_width_rtype,
-    is_frozenset_rprimitive,
     is_list_rprimitive,
     is_sequence_rprimitive,
     is_short_int_rprimitive,