Update copyright notice to latest guidance (#12190)

test/tools/Modules/HelpersLanguage/HelpersLanguage.psd1

@@ -12,7 +12,7 @@ GUID = 'a575af5e-2bd1-427f-b966-48640788896b'
 
 CompanyName = 'Microsoft Corporation'
 
-Copyright = 'Copyright (c) Microsoft Corporation. All rights reserved.'
+Copyright = 'Copyright (c) Microsoft Corporation.'
 
 Description = 'Temporary module for language tests'
 

test/tools/Modules/HelpersLanguage/HelpersLanguage.psm1

@@ -1,4 +1,4 @@
-# Copyright (c) Microsoft Corporation. All rights reserved.
+# Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 #
 # Run the new parser, return either errors or the ast
@@ -27,7 +27,7 @@ function Get-RuntimeError
     param(
         [Parameter(ValueFromPipeline=$true,Mandatory=$true)][string]$src
     )
- 
+
     $errors = $null
     try
     {