Revert "fix interruption task frame context ordering"

src/pipecat/frames/frames.py

@@ -11,7 +11,6 @@ including data frames, system frames, and control frames for audio, video, text,
 and LLM processing.
 """
 
-import asyncio
 from dataclasses import dataclass, field
 from typing import (
     TYPE_CHECKING,
@@ -860,13 +859,9 @@ class InterruptionFrame(SystemFrame):
     speaking (i.e. is interrupting). This is similar to
     UserStartedSpeakingFrame except that it should be pushed concurrently
     with other frames (so the order is not guaranteed).
-
-    Parameters:
-        finished_event: If not None, the event will be set when the frame
-        reaches the end of the pipeline.
     """
 
-    finished_event: Optional[asyncio.Event] = None
+    pass
 
 
 @dataclass
@@ -1427,13 +1422,9 @@ class InterruptionTaskFrame(TaskFrame):
     same actions as if the user interrupted except that the
     UserStartedSpeakingFrame and UserStoppedSpeakingFrame won't be generated.
     This frame should be pushed upstream.
-
-    Parameters:
-        finished_event: If not None, the event will be set when the generated
-        InterruptionFrame reaches the end of the pipeline.
     """
 
-    finished_event: Optional[asyncio.Event] = None
+    pass
 
 
 @dataclass