tests: remove aio_context_acquire() tests

The aio_context_acquire() API is being removed. Drop the test case that
calls the API.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231205182011.1976568-4-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
1 file changed