Remove bin/qmk (#14231)

* Remove the bin/qmk script

* remove bin/qmk from workflows

lib/python/qmk/cli/pytest.py

@@ -12,6 +12,6 @@ def pytest(cli):
     """Run several linting/testing commands.
     """
     nose2 = cli.run(['nose2', '-v'], capture_output=False, stdin=DEVNULL)
-    flake8 = cli.run(['flake8', 'lib/python', 'bin/qmk'], capture_output=False, stdin=DEVNULL)
+    flake8 = cli.run(['flake8', 'lib/python'], capture_output=False, stdin=DEVNULL)
 
     return flake8.returncode | nose2.returncode