examples: cleanup some 07 interruptible examples

examples/foundational/07d-interruptible-cartesia.py

@@ -5,7 +5,6 @@
 #
 
 import asyncio
-import aiohttp
 import os
 import sys
 
@@ -33,7 +32,6 @@ logger.add(sys.stderr, level="DEBUG")
 
 
 async def main(room_url: str, token):
-    async with aiohttp.ClientSession() as session:
     transport = DailyTransport(
         room_url,
         token,

examples/foundational/07e-interruptible-playht.py

@@ -5,7 +5,6 @@
 #
 
 import asyncio
-import aiohttp
 import os
 import sys
 
@@ -19,7 +18,6 @@ from pipecat.services.playht import PlayHTTTSService
 from pipecat.services.openai import OpenAILLMService
 from pipecat.transports.services.daily import DailyParams, DailyTransport
 from pipecat.vad.silero import SileroVADAnalyzer
-from pipecat.processors.logger import FrameLogger
 
 from runner import configure
 
@@ -33,7 +31,6 @@ logger.add(sys.stderr, level="DEBUG")
 
 
 async def main(room_url: str, token):
-    async with aiohttp.ClientSession() as session:
     transport = DailyTransport(
         room_url,
         token,

examples/foundational/07g-interruptible-openai-tts.py

@@ -5,7 +5,6 @@
 #
 
 import asyncio
-import aiohttp
 import os
 import sys
 
@@ -32,7 +31,6 @@ logger.add(sys.stderr, level="DEBUG")
 
 
 async def main(room_url: str, token):
-    async with aiohttp.ClientSession() as session:
     transport = DailyTransport(
         room_url,
         token,