add an awx-manage command that gets pip freeze data from custom_venvs and outputs to command line stdout

remove analytics tests for counts of custom venvs, bump collector version, and remove list of custom venvs from API

awx/main/management/commands/custom_venvs.py

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 Ansible, Inc.
+# All Rights Reserved
+
+from awx.main.utils.common import get_custom_venv_choices, get_custom_venv_pip_freeze
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    """Returns either a list of custom venv paths or outputs the pip freeze from the path passed in the argument"""
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--path',
+            dest='path',
+            type=str,
+            default='',
+            help='run without arguments to see a list of paths, run with one of those paths as an argument and see the pip freeze data',
+        )
+
+    def handle(self, *args, **options):
+        super(Command, self).__init__()
+        if options.get('path'):
+            pip_data = get_custom_venv_pip_freeze(options.get('path'))
+            print(pip_data)
+        else:
+            venvs = get_custom_venv_choices()
+            for venv in venvs:
+                print(venv)