Remove phrase 'All rights reserved' from Microsoft copyright statements (#12722)

# PR Summary

<!-- Summarize your PR between here and the checklist. -->

## PR Context

follow-up #12190

## PR Checklist

- [x] [PR has a meaningful title](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
    - Use the present tense and imperative mood when describing your changes
- [x] [Summarized changes](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
- [ ] [Make sure all `.h`, `.cpp`, `.cs`, `.ps1` and `.psm1` files have the correct copyright header](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
- [x] This PR is ready to merge and is not [Work in Progress](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---work-in-progress).
    - If the PR is work in progress, please add the prefix `WIP:` or `[ WIP ]` to the beginning of the title (the `WIP` bot will keep its status check at `Pending` while the prefix is present) and remove the prefix when the PR is ready.
- **[Breaking changes](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#making-breaking-changes)**
    - [x] None
    - **OR**
    - [ ] [Experimental feature(s) needed](https://github.com/MicrosoftDocs/PowerShell-Docs/blob/staging/reference/6/Microsoft.PowerShell.Core/About/about_Experimental_Features.md)
        - [ ] Experimental feature name(s): <!-- Experimental feature name(s) here -->
- **User-facing changes**
    - [x] Not Applicable
    - **OR**
    - [ ] [Documentation needed](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#pull-request---submission)
        - [ ] Issue filed: <!-- Number/link of that issue here -->
- **Testing - New and feature**
    - [x] N/A or can only be tested interactively
    - **OR**
    - [ ] [Make sure you've added a new test if existing tests do not effectively test the code changed](https://github.com/PowerShell/PowerShell/blob/master/.github/CONTRIBUTING.md#before-submitting)
- **Tooling**
    - [x] I have considered the user experience from a tooling perspective and don't believe tooling will be impacted.
    - **OR**
    - [ ] I have considered the user experience from a tooling perspective and enumerated concerns in the summary. This may include:
        - Impact on [PowerShell Editor Services](https://github.com/PowerShell/PowerShellEditorServices) which is used in the [PowerShell extension](https://github.com/PowerShell/vscode-powershell) for VSCode (which runs in a different PS Host).
        - Impact on Completions (both in the console and in editors) - one of PowerShell's most powerful features.
        - Impact on [PSScriptAnalyzer](https://github.com/PowerShell/PSScriptAnalyzer) (which provides linting & formatting in the editor extensions).
        - Impact on [EditorSyntax](https://github.com/PowerShell/EditorSyntax) (which provides syntax highlighting with in VSCode, GitHub, and many other editors).

PowerShell.Common.props

@@ -93,7 +93,7 @@
   <PropertyGroup>
     <Product>PowerShell</Product>
     <Company>Microsoft Corporation</Company>
-    <Copyright>(c) Microsoft Corporation. All rights reserved.</Copyright>
+    <Copyright>(c) Microsoft Corporation.</Copyright>
 
     <TargetFramework>net5.0</TargetFramework>
     <LangVersion>8.0</LangVersion>

assets/pwsh.1.ronn

@@ -120,4 +120,3 @@ These are automatically defined PowerShell-language variables.
 ## COPYRIGHT
 
 Copyright (c) Microsoft Corporation.
-All rights reserved.

src/System.Management.Automation/cimSupport/cmdletization/xml/cmdlets-over-objects.xsd

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- ##################################################################
-Copyright (c) Microsoft Corporation.  All rights reserved.
+Copyright (c) Microsoft Corporation.
 Licensed under the MIT License.
 ################################################################### -->
 <!DOCTYPE schema [

src/System.Management.Automation/engine/Modules/ImportProvider.Tests.ps1

@@ -1,4 +1,4 @@
-# Copyright (c) Microsoft Corporation. All rights reserved.
+# Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
 Describe "Import PowerShell provider" -Tags "CI" {

test/Test.Common.props

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Product>PowerShell Test</Product>
     <Company>Microsoft Corporation</Company>
-    <Copyright>(c) Microsoft Corporation. All rights reserved.</Copyright>
+    <Copyright>(c) Microsoft Corporation.</Copyright>
 
     <TargetFramework>netcoreapp5.0</TargetFramework>
     <LangVersion>8.0</LangVersion>

test/powershell/engine/Api/PSCommand.Tests.ps1

@@ -1,4 +1,4 @@
-# Copyright (c) Microsoft Corporation. All rights reserved.
+# Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
 Describe "PSCommand API tests" -Tag "CI" {

test/tools/Modules/Microsoft.PowerShell.RemotingTools/Microsoft.PowerShell.RemotingTools.psd1

@@ -11,7 +11,7 @@ GUID = 'e11d52a1-d5a0-4e4d-92cd-e87114bf4a5c'
 
 Author = 'Microsoft Corporation'
 CompanyName = 'Microsoft Corporation'
-Copyright = '(c) Microsoft Corporation. All rights reserved.'
+Copyright = '(c) Microsoft Corporation.'
 
 Description = '
 This module contains remoting tool cmdlets.

tools/packaging/packaging.strings.psd1

@@ -137,7 +137,7 @@ open {0}
         <licenseUrl>https://github.com/PowerShell/PowerShell/blob/master/LICENSE.txt</licenseUrl>
         <tags>PowerShell</tags>
         <language>en-US</language>
-        <copyright>&#169; Microsoft Corporation. All rights reserved.</copyright>
+        <copyright>&#169; Microsoft Corporation.</copyright>
         <contentFiles>
             <files include="**/*" buildAction="None" copyToOutput="true" flatten="false" />
         </contentFiles>
@@ -173,7 +173,7 @@ open {0}
         <license type="expression">MIT</license>
         <tags>PowerShell</tags>
         <language>en-US</language>
-        <copyright>&#169; Microsoft Corporation. All rights reserved.</copyright>
+        <copyright>&#169; Microsoft Corporation.</copyright>
         <packageTypes>
             <packageType name="DotnetTool" />
         </packageTypes>