Remove unused "deprecated" method

The method is not actually used. Also we currently have a common
implementation in debtcollector and that can be used instead.

Change-Id: If9eb1f8b035a55163573f54ad8fd4c85b876e3fe

lower-constraints.txt

@@ -1,6 +1,5 @@
 coverage==5.3.1
 decorator===4.4.2
-deprecation==2.1.0
 docker==4.4.1
 fixtures==3.0.0
 Jinja2==2.11.2

requirements.txt

@@ -1,7 +1,6 @@
 # Tobiko framework requirements
 
 decorator>=4.4.2                # BSD
-deprecation>=2.1.0              # Apache-2.0
 docker>=4.4.1                   # Apache-2.0
 fixtures>=3.0.0                 # Apache-2.0/BSD
 Jinja2>=2.11.2                  # BSD

tobiko/__init__.py

@@ -19,7 +19,6 @@ import sys
 from tobiko.common import _cached
 from tobiko.common import _case
 from tobiko.common import _config
-from tobiko.common import _deprecation
 from tobiko.common import _detail
 from tobiko.common import _exception
 from tobiko.common import _fixture
@@ -67,8 +66,6 @@ retry_test_case = _case.retry_test_case
 run_test = _case.run_test
 sub_test = _case.sub_test
 
-deprecated = _deprecation.deprecated
-
 details_content = _detail.details_content
 
 tobiko_config = _config.tobiko_config

tobiko/common/_deprecation.py

@@ -1,27 +0,0 @@
-# Copyright 2021 Red Hat
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-from __future__ import absolute_import
-
-import deprecation
-
-from tobiko import version
-
-
-def deprecated(deprecated_in: str = None,
-               removed_in: str = None,
-               details=""):
-    return deprecation.deprecated(deprecated_in=deprecated_in,
-                                  removed_in=removed_in,
-                                  current_version=version.version,
-                                  details=details)

upper-constraints.txt

@@ -61,7 +61,6 @@ debtcollector===2.5.0
 decorator===5.1.1;python_version=='3.8'
 defusedxml===0.7.1
 Deprecated===1.2.13
-deprecation===2.1.0
 dfs-sdk===1.2.27
 dib-utils===0.0.11
 directord===0.12.0