Revert stream interface

[Kludex]

Supersedes #1307
On top of #1354

[tomchristie]

Given #1226 (comment) I'm just going to defer to your judgement on this for now, @Kludex.

[Kludex]

I think this is a good thing. If we really wish to have a stream interface, then we can go back to this and study the plan of action in the future.

[wlaub]

uvicorn/uvicorn/server.py

Line 137 in 1c20f54

server = await loop.create_server( # type: ignore[call-overload]

create_server doesn't seem too happy about receiving path=config.uds

Traceback (most recent call last):
    File "/usr/lib/python3.8/asyncio/runners.py", line 44, in run
      return loop.run_until_complete(main)
    File "/usr/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
      return future.result()
    File "/snap/standalone-dev-env/x1/lib/python3.8/site-packages/uvicorn/server.py", line 77, in serve
      await self.startup(sockets=sockets)
    File "/snap/standalone-dev-env/x1/lib/python3.8/site-packages/uvicorn/server.py", line 137, in startup
      server = await loop.create_server(  # type: ignore[call-overload]
  TypeError: create_server() got an unexpected keyword argument 'path'