tox: Remove pip-version and venv plugins

Since the virtualenv v20.0.0 rewrite, those are hopefully not needed
anymore.

Closes #5373

misc/requirements/requirements-tox.txt

@@ -10,6 +10,4 @@ pyparsing==2.4.7
 six==1.15.0
 toml==0.10.2
 tox==3.20.1
-tox-pip-version==0.0.7
-tox-venv==0.4.0
 virtualenv==20.1.0

misc/requirements/requirements-tox.txt-raw

@@ -1,3 +1 @@
 tox
-tox-venv
-tox-pip-version

scripts/dev/recompile_requirements.py

@@ -132,7 +132,6 @@ CHANGELOG_URLS = {
     'urllib3': 'https://github.com/urllib3/urllib3/blob/master/CHANGES.rst',
     'lxml': 'https://lxml.de/4.6/changes-4.6.0.html',
     'jwcrypto': 'https://github.com/latchset/jwcrypto/commits/master',
-    'tox-pip-version': 'https://github.com/pglass/tox-pip-version/commits/master',
     'wrapt': 'https://github.com/GrahamDumpleton/wrapt/blob/develop/docs/changes.rst',
     'pep517': 'https://github.com/pypa/pep517/blob/master/doc/changelog.rst',
     'cryptography': 'https://cryptography.io/en/latest/changelog.html',
@@ -170,7 +169,6 @@ CHANGELOG_URLS = {
     'python-dateutil': 'https://dateutil.readthedocs.io/en/stable/changelog.html',
     'appdirs': 'https://github.com/ActiveState/appdirs/blob/master/CHANGES.rst',
     'pluggy': 'https://github.com/pytest-dev/pluggy/blob/master/CHANGELOG.rst',
-    'tox-venv': 'https://github.com/tox-dev/tox-venv/blob/master/CHANGELOG.rst',
     'inflect': 'https://github.com/jazzband/inflect/blob/master/CHANGES.rst',
     'jinja2-pluralize': 'https://github.com/audreyfeldroy/jinja2_pluralize/blob/master/HISTORY.rst',
     'mypy-extensions': 'https://github.com/python/mypy_extensions/commits/master',

tox.ini

@@ -22,7 +22,6 @@ basepython =
     py37: {env:PYTHON:python3.7}
     py38: {env:PYTHON:python3.8}
     py39: {env:PYTHON:python3.9}
-pip_version = pip
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/misc/requirements/requirements-tests.txt
@@ -41,7 +40,6 @@ commands =
 [testenv:misc]
 ignore_errors = true
 basepython = {env:PYTHON:python3}
-pip_version = pip
 # For global .gitignore files
 passenv = HOME
 deps =
@@ -50,7 +48,6 @@ commands =
 
 [testenv:vulture]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/misc/requirements/requirements-vulture.txt
@@ -61,7 +58,6 @@ commands =
 
 [testenv:vulture-pyqtlink]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/misc/requirements/requirements-vulture.txt
@@ -72,7 +68,6 @@ commands =
 
 [testenv:pylint]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 ignore_errors = true
 passenv =
 deps =
@@ -86,7 +81,6 @@ commands =
 
 [testenv:pylint-pyqtlink]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 ignore_errors = true
 passenv =
 deps =
@@ -100,7 +94,6 @@ commands =
 
 [testenv:pylint-master]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv = {[testenv:pylint]passenv}
 deps =
     -r{toxinidir}/requirements.txt
@@ -113,7 +106,6 @@ commands =
 
 [testenv:flake8]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv =
 deps =
     -r{toxinidir}/requirements.txt
@@ -123,7 +115,6 @@ commands =
 
 [testenv:pyroma]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv =
 deps =
     -r{toxinidir}/misc/requirements/requirements-pyroma.txt
@@ -132,7 +123,6 @@ commands =
 
 [testenv:check-manifest]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv =
 deps =
      -r{toxinidir}/misc/requirements/requirements-check-manifest.txt
@@ -141,7 +131,6 @@ commands =
 
 [testenv:docs]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 whitelist_externals = git
 passenv = CI GITHUB_REF
 deps =
@@ -154,7 +143,6 @@ commands =
 
 [testenv:pyinstaller-{64,32}]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv = APPDATA HOME PYINSTALLER_DEBUG
 deps =
     -r{toxinidir}/requirements.txt
@@ -179,7 +167,6 @@ commands = bash scripts/dev/run_shellcheck.sh {posargs}
 
 [testenv:mypy]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv = TERM MYPY_FORCE_TERMINAL_WIDTH
 deps =
     -r{toxinidir}/requirements.txt
@@ -191,14 +178,12 @@ commands =
 
 [testenv:yamllint]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 deps = -r{toxinidir}/misc/requirements/requirements-yamllint.txt
 commands =
     {envpython} -m yamllint -f colored --strict . {posargs}
 
 [testenv:mypy-diff]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv = {[testenv:mypy]passenv}
 deps = {[testenv:mypy]deps}
 commands =
@@ -207,7 +192,6 @@ commands =
 
 [testenv:sphinx]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv =
 usedevelop = true
 deps =
@@ -219,7 +203,6 @@ commands =
 
 [testenv:build-release]
 basepython = {env:PYTHON:python3}
-pip_version = pip
 passenv = *
 usedevelop = true
 deps =