Deprecate the amqp1 driver and Remove qpid functional tests

A recent oslo.messaging patch [1], not yet merged, who aim to update the
test runtime for antelope lead us to the following error:

```
qdrouterd: Python: ModuleNotFoundError: No module named 'qpid_dispatch'
```

Neither debian nor ubuntu in the latest releases have any binary
built for the qpid backend, not even 3rd party. Only qpid proton,
the client lib, is available.

To solve this issue, these changes propose to deprecate the AMQP1 driver
who is the one based on qpid and proton, and propose to remove the
related functional tests.

The AMQP1 driver doesn't seems to be widely used.

[1] https://review.opendev.org/c/openstack/oslo.messaging/+/856643

Closes-Bug: 1992587
Change-Id: Id2ca9cd9ee8b8dbdd14dcd00ebd8188d20ea18dc

oslo_messaging/_drivers/impl_amqp1.py

@@ -25,7 +25,9 @@ import logging
 import os
 import threading
 import uuid
+import warnings
 
+from debtcollector import removals
 from oslo_config import cfg
 from oslo_messaging.target import Target
 from oslo_serialization import jsonutils
@@ -38,6 +40,7 @@ from oslo_messaging._drivers import base
 from oslo_messaging._drivers import common
 
 
+warnings.simplefilter('always')
 proton = importutils.try_import('proton')
 controller = importutils.try_import(
     'oslo_messaging._drivers.amqp1_driver.controller'
@@ -103,6 +106,7 @@ def unmarshal_request(message):
     return (msg, data.get("context"), data.get("call_monitor_timeout"))
 
 
+@removals.removed_class("ProtonIncomingMessage")
 class ProtonIncomingMessage(base.RpcIncomingMessage):
     def __init__(self, listener, message, disposition):
         request, ctxt, client_timeout = unmarshal_request(message)
@@ -165,6 +169,7 @@ class ProtonIncomingMessage(base.RpcIncomingMessage):
         self.listener.driver._ctrl.add_task(task)
 
 
+@removals.removed_class("Queue")
 class Queue(object):
     def __init__(self):
         self._queue = collections.deque()
@@ -194,6 +199,7 @@ class Queue(object):
             self._pop_wake_condition.notify_all()
 
 
+@removals.removed_class("ProtonListener")
 class ProtonListener(base.PollStyleListener):
     def __init__(self, driver):
         super(ProtonListener, self).__init__(driver.prefetch_size)
@@ -214,6 +220,7 @@ class ProtonListener(base.PollStyleListener):
                                      qentry['disposition'])
 
 
+@removals.removed_class("ProtonDriver")
 class ProtonDriver(base.BaseDriver):
     """AMQP 1.0 Driver
 

releasenotes/notes/deprecated-amqp1-driver-4bf57449bc2b7aad.yaml

@@ -0,0 +1,7 @@
+---
+deprecations:
+  - |
+    The AMQP1 driver is now deprecated. Its related functional tests are also
+    disabled. Neither debian nor ubuntu in the latest releases have any binary
+    built for qpid server, not even 3rd party. Only qpid proton, the client
+    lib, is available.

tools/setup-scenario-env.sh

@@ -50,19 +50,6 @@ case $SCENARIO in
         export NOTIFY_TRANSPORT_URL=kafka://127.0.0.1:9092/
         RUN="--env-prefix RABBITMQ run rabbitmq -- pifpaf --env-prefix KAFKA run kafka"
         ;;
-    scenario03)
-        _setup_global_site_package_path
-        export RPC_TRANSPORT_URL=amqp://stackqpid:secretqpid@127.0.0.1:5692/
-        export NOTIFY_TRANSPORT_URL=rabbit://pifpaf:secret@127.0.0.1:5682/
-        RUN="--env-prefix RABBITMQ run rabbitmq -- pifpaf --debug --env-prefix QDR run qdrouterd --username stackqpid --password secretqpid --port 5692"
-        ;;
-    scenario04)
-        _setup_global_site_package_path
-        _setup_kafka
-        export RPC_TRANSPORT_URL=amqp://stackqpid:secretqpid@127.0.0.1:5692/
-        export NOTIFY_TRANSPORT_URL=kafka://127.0.0.1:9092/
-        RUN="--env-prefix KAFKA run kafka -- pifpaf --debug --env-prefix QDR run qdrouterd --username stackqpid --password secretqpid --port 5692"
-        ;;
     *) ;;
 esac