✨ Feature: 支持主动销毁事件响应器 (#1444)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

nonebot/internal/matcher/matcher.py

@@ -247,6 +247,11 @@ class Matcher(metaclass=MatcherMeta):
 
         return NewMatcher
 
+    @classmethod
+    def destroy(cls) -> None:
+        """销毁当前的事件响应器"""
+        matchers[cls.priority].remove(cls)
+
     @classmethod
     async def check_perm(
         cls,