perf: 用 autoflake 删除无用依赖

没想到居然能意外地大幅提升启动速度

src/heurams/kernel/algorithms/sm15m.py

@@ -17,11 +17,7 @@ from heurams.context import config_var
 from heurams.kernel.algorithms.sm15m_calc import (
     MAX_AF,
     MIN_AF,
-    NOTCH_AF,
-    RANGE_AF,
-    RANGE_REPETITION,
     SM,
-    THRESHOLD_RECALL,
     Item,
 )