flake8: Remove broken plugins

https://github.com/PyCQA/flake8/issues/325
https://github.com/savoirfairelinux/flake8-copyright/pull/9
https://github.com/xZise/flake8-future-import/issues/25
https://github.com/aleGpereira/flake8-mock/issues/10

misc/requirements/requirements-flake8.txt

@@ -5,12 +5,9 @@ flake8==5.0.1
 flake8-bugbear==22.7.1
 flake8-builtins==1.5.3
 flake8-comprehensions==3.10.0
-flake8-copyright==0.2.2
 flake8-debugger==4.1.2
 flake8-deprecated==1.3
 flake8-docstrings==1.6.0
-flake8-future-import==0.4.6
-flake8-mock==0.3
 flake8-plugin-utils==1.3.2
 flake8-pytest-style==1.6.0
 flake8-string-format==0.3.0

misc/requirements/requirements-flake8.txt-raw

@@ -2,12 +2,13 @@ flake8
 flake8-bugbear
 flake8-builtins
 flake8-comprehensions
-flake8-copyright
 flake8-debugger
 flake8-deprecated
 flake8-docstrings
-flake8-future-import
-flake8-mock
+# https://github.com/PyCQA/flake8/issues/325
+# flake8-copyright
+# flake8-future-import
+# flake8-mock
 flake8-string-format
 flake8-tidy-imports
 flake8-tuple

scripts/dev/changelog_urls.json

@@ -49,10 +49,7 @@
   "flake8-tidy-imports": "https://github.com/adamchainz/flake8-tidy-imports/blob/master/HISTORY.rst",
   "flake8-tuple": "https://github.com/ar4s/flake8_tuple/blob/master/HISTORY.rst",
   "flake8-comprehensions": "https://github.com/adamchainz/flake8-comprehensions/blob/master/HISTORY.rst",
-  "flake8-copyright": "https://github.com/savoirfairelinux/flake8-copyright/blob/master/CHANGELOG.rst",
   "flake8-deprecated": "https://github.com/gforcada/flake8-deprecated/blob/master/CHANGES.rst",
-  "flake8-future-import": "https://github.com/xZise/flake8-future-import#changes",
-  "flake8-mock": "https://github.com/aleGpereira/flake8-mock#changes",
   "flake8-string-format": "https://github.com/xZise/flake8-string-format#changes",
   "flake8-plugin-utils": "https://github.com/afonasev/flake8-plugin-utils#change-log",
   "flake8-pytest-style": "https://github.com/m-burst/flake8-pytest-style#change-log",