Remove BOM from CoreCLR files (dotnet#31972)

* Remove BOM from CoreCLR files

* Remove BOM from CoreCLR files

* Revert *.cs files with non-ASCII characters

* Revert *.il files with non-ASCII characters

Co-authored-by: dotnet bot <dotnet-bot@dotnetfoundation.org>

Author: nxtn

src/coreclr/all.locproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 
 Localization Specific Metadata

src/coreclr/src/.nuget/Microsoft.NET.Sdk.IL/Microsoft.NET.Sdk.IL.pkgproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
 

src/coreclr/src/.nuget/Microsoft.NETCore.ILAsm/Microsoft.NETCore.ILAsm.pkgproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
 

src/coreclr/src/.nuget/Microsoft.NETCore.ILDAsm/Microsoft.NETCore.ILDAsm.pkgproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
 

src/coreclr/src/.nuget/Microsoft.NETCore.TestHost/Microsoft.NETCore.TestHost.pkgproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
 

src/coreclr/src/System.Private.CoreLib/System.Private.CoreLib.sln

@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 16
 VisualStudioVersion = 16.0.28902.138

src/coreclr/src/System.Private.CoreLib/Tools/GenUnicodeProp/GenUnicodeProp.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>

src/coreclr/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/EventPipeEventDispatcher.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 using System.Collections.Generic;

src/coreclr/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/NativeRuntimeEventSource.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 

src/coreclr/src/System.Private.CoreLib/src/System/Reflection/Emit/EmptyCAHolder.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.