Remove experimental-ness from DeploymentContract. The API has parts that are experimental, but the contract isn't (#3679) (#3688)

Co-authored-by: Howard Kapustein <howardk@microsoft.com>

Author: kythant

dev/Common/TerminalVelocityFeatures-DeploymentAPI.h

@@ -3,8 +3,8 @@
 
 // THIS FILE IS AUTOMATICALLY GENERATED; DO NOT EDIT IT
 
-// INPUT FILE: ..\..\dev\common\TerminalVelocityFeatures-DeploymentAPI.xml
-// OPTIONS: -Channel Experimental -Language C++ -Namespace Microsoft.Windows.ApplicationModel.WindowsAppRuntime -Path ..\..\dev\common\TerminalVelocityFeatures-DeploymentAPI.xml -Output ..\..\dev\common\TerminalVelocityFeatures-DeploymentAPI.h
+// INPUT FILE: dev\common\TerminalVelocityFeatures-DeploymentAPI.xml
+// OPTIONS: -Channel Experimental -Language C++ -Namespace Microsoft.Windows.ApplicationModel.WindowsAppRuntime -Path dev\common\TerminalVelocityFeatures-DeploymentAPI.xml -Output dev\common\TerminalVelocityFeatures-DeploymentAPI.h
 
 #if defined(__midlrt)
 namespace features

dev/Deployment/Deployment.idl

@@ -5,7 +5,6 @@
 
 namespace Microsoft.Windows.ApplicationModel.WindowsAppRuntime
 {
-    [feature(Feature_DeploymentRepair)]
     [contractversion(4)]
     apicontract DeploymentContract{};
 

tools/TerminalVelocity/Generate-TerminalVelocityFeatures.ps1

@@ -1,5 +1,5 @@
-# Copyright (c) Microsoft Corporation. All rights reserved.
-# Licensed under the MIT License. See LICENSE in the project root for license information.
+# Copyright (c) Microsoft Corporation and Contributors.
+# Licensed under the MIT License.
 
 <#
 .SYNOPSIS
@@ -194,8 +194,8 @@ ForEach ($feature in $features)
 function Output_Header($comment_line_prefix="//")
 {
 @"
-$comment_line_prefix Copyright (c) Microsoft Corporation. All rights reserved.
-$comment_line_prefix Licensed under the MIT License. See LICENSE in the project root for license information.
+$comment_line_prefix Copyright (c) Microsoft Corporation and Contributors.
+$comment_line_prefix Licensed under the MIT License.
 
 $comment_line_prefix THIS FILE IS AUTOMATICALLY GENERATED; DO NOT EDIT IT