Doc fragments to plugins (#50172)

* promote doc_fragments into actual plugins

  change tests hardcoded path to doc fragments
  avoid sanity in fragments
  avoid improper testing of doc_fragments
  also change runner paths
 fix botmeta
 updated comment for fragments
 updated docs

lib/ansible/utils/module_docs_fragments/shell_common.py

@@ -1,61 +0,0 @@
-# Copyright (c) 2017 Ansible Project
-# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
-
-
-class ModuleDocFragment(object):
-
-    # common shelldocumentation fragment
-    DOCUMENTATION = """
-options:
-  remote_tmp:
-    description:
-      - Temporary directory to use on targets when executing tasks.
-    default: '~/.ansible/tmp'
-    env: [{name: ANSIBLE_REMOTE_TEMP}, {name: ANSIBLE_REMOTE_TMP}]
-    ini:
-      - section: defaults
-        key: remote_tmp
-    vars:
-      - name: ansible_remote_tmp
-  system_tmpdirs:
-    description:
-       - "List of valid system temporary directories for Ansible to choose when it cannot use
-         ``remote_tmp``, normally due to permission issues.  These must be world readable, writable,
-         and executable."
-    default: [ /var/tmp, /tmp ]
-    type: list
-    env: [{name: ANSIBLE_SYSTEM_TMPDIRS}]
-    ini:
-      - section: defaults
-        key: system_tmpdirs
-    vars:
-      - name: ansible_system_tmpdirs
-  async_dir:
-    description:
-       - Directory in which ansible will keep async job information
-    default: '~/.ansible_async'
-    env: [{name: ANSIBLE_ASYNC_DIR}]
-    ini:
-      - section: defaults
-        key: async_dir
-    vars:
-      - name: ansible_async_dir
-  environment:
-    type: dict
-    default: {}
-    description:
-      - dictionary of environment variables and their values to use when executing commands.
-  admin_users:
-    type: list
-    default: ['root', 'toor']
-    description:
-      - list of users to be expected to have admin privileges. This is used by the controller to
-        determine how to share temporary files between the remote user and the become user.
-    env:
-      - name: ANSIBLE_ADMIN_USERS
-    ini:
-      - section: defaults
-        key: admin_users
-    vars:
-      - name: ansible_admin_users
-"""