Revert "upload attachments asynchronously"

This reverts commit ec7d7176b0.
It turns out that Mastodon decides what order to show attachments using the order that they were uploaded, not the order of the media_ids parameter or anything.

mtgcardlookup.py

@@ -169,14 +169,6 @@ async def update_followers(c, me):
 	else:
 		log('No accounts to unfollow.')
 
-async def upload_image(c, image, desc):
-	card_name = desc.split('\n')[0].split(' - ')[0]
-	log(f'Uploading {card_name}...')
-	id = (await c.upload_attachment(fileobj=image, description=desc))['id']
-	log(f'Done uploading {card_name}!')
-	return id
-
-
 async def listen(c, me):
 	log('Listening...')
 	async with c.streaming('user') as stream:
@@ -235,9 +227,9 @@ async def listen(c, me):
 
 				if media:
 					try:
-						media_ids = await asyncio.gather(
-							*(upload_image(c, image, desc) for image, desc in media)
-						)
+						media_ids = []
+						for image, desc in media:
+							media_ids.append((await c.upload_attachment(fileobj=image, params={}, description=desc))['id'])
 					except atoot.api.RatelimitError:
 						media_ids = None
 						reply_text += '\n\nMedia attachments are temporarily disabled due to API restrictions, they will return shortly.'