Add script to install ansible.posix collection

posix.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+ansible-galaxy collection install ansible.posix

requirements.yml

@@ -1,20 +0,0 @@
----
-# Copyright 2021 Anthony Perkins
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Install with `ansible-galaxy install -r requirements.yml`.
-
-collections:
-  - ansible.posix
-  - community.general