lint: remove Safety checks (not open source anymore)

Safety (https://github.com/pyupio/safety) has become a purely commercial
platform for all practical puposes. Versions < 3.0.1 are unsupported and have
grave configurability issues. Let's remove the dependency altogether.

See: #82 (comment)

.github/workflows/lint.yml

@@ -36,4 +36,4 @@ jobs:
       run: tox -e check-copyright
     - name: Misc checks
       run: |
-        tox -e bandit,safety
+        tox -e bandit

CONTRIBUTING.md

@@ -66,7 +66,6 @@ We have various commands which are helpful during development.
 ```
 make lint-all
 make static
-make safety
 make bandit
 ```
 

Makefile

@@ -67,7 +67,7 @@ clean-test: ## remove test and coverage artifacts
 	rm -fr coverage.xml
 
 .PHONY: lint-all
-lint-all: black check-copyright ruff static bandit safety vulture darglint ## run all linters
+lint-all: black check-copyright ruff static bandit vulture darglint ## run all linters
 
 .PHONY: lint-all-files
 lint-all-files: black-files ruff-files static-files bandit-files vulture-files darglint-files ## run all linters for specific files (specified with files="file1 file2 somedir ...")
@@ -130,10 +130,6 @@ bandit-files: ## run bandit for specific files (specified with files="file1 file
 	$(call check_defined, files)
 	bandit $(files)
 
-.PHONY: safety
-safety: ## run safety
-	safety check
-
 .PHONY: vulture
 vulture: ## run vulture
 	vulture black_it scripts/whitelists/package_whitelist.py

pyproject.toml

@@ -81,7 +81,6 @@ pytest = "^7.4.2"
 pytest-cov = "^4.1.0"
 pytest-randomly = "^3.15.0"
 ruff = "^0.0.290"
-safety = "^2.4.0b1"
 tox = "^4.4.12"
 twine = "^4.0.2"
 vulture = "^2.9.1"

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 isolated_build = True
-envlist = bandit, safety, check-copyright, black-check, vulture, mypy, py3{8,9,10,11}, docs
+envlist = bandit, check-copyright, black-check, vulture, mypy, py3{8,9,10,11}, docs
 
 [tox:.package]
 # note tox will use the same python version as under what tox is installed to package
@@ -79,12 +79,6 @@ skip_install = True
 deps = bandit==1.7.5
 commands = bandit --configfile .bandit.yaml --recursive black_it tests scripts examples
 
-[testenv:safety]
-skipsdist = False
-skip_install = False
-deps = safety==2.4.0b1
-commands = safety check
-
 [testenv:vulture]
 skipsdist = True
 skip_install = True