Work CI-CD

- Update build badge.
- Remove preview mention.
- Remove repo files.

Author: josesimoes

CODE_OF_CONDUCT.md

@@ -10,8 +10,7 @@
 
 | Component | Build Status | NuGet Package |
 |:-|---|---|
-| System.Device.Adc | [![Build Status](https://dev.azure.com/nanoframework/System.Device.Adc/_apis/build/status/System.Device.Adc?branchName=main)](https://dev.azure.com/nanoframework/System.Device.Adc/_build/latest?definitionId=83&branchName=main) | [![NuGet](https://img.shields.io/nuget/v/nanoFramework.System.Device.Adc.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.System.Device.Adc/) |
-| System.Device.Adc (preview) | [![Build Status](https://dev.azure.com/nanoframework/System.Device.Adc/_apis/build/status/System.Device.Adc?branchName=develop)](https://dev.azure.com/nanoframework/System.Device.Adc/_build/latest?definitionId=83&branchName=develop) | [![NuGet](https://img.shields.io/nuget/vpre/nanoFramework.System.Device.Adc.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.System.Device.Adc/) |
+| System.Device.Adc | [![Build Status](https://dev.azure.com/nanoframework/System.Device.Adc/_apis/build/status/System.Device.Adc?repoName=nanoframework%2FSystem.Device.Adc&branchName=main)](https://dev.azure.com/nanoframework/System.Device.Adc/_build/latest?definitionId=83&repoName=nanoframework%2FSystem.Device.Adc&branchName=main) | [![NuGet](https://img.shields.io/nuget/v/nanoFramework.System.Device.Adc.svg?label=NuGet&style=flat&logo=nuget)](https://www.nuget.org/packages/nanoFramework.System.Device.Adc/) |
 
 ## Usage
 

CONTRIBUTING.md

@@ -44,7 +44,6 @@ variables:
   solution: 'nanoframework.System.Device.Adc.sln'
   buildPlatform: 'Any CPU'
   buildConfiguration: 'Release'
-  classLibName: 'System.Device.Adc'
   nugetPackageName: 'nanoFramework.System.Device.Adc'
 
 steps:

README.md

@@ -12,7 +12,7 @@
     <readme>docs\README.md</readme>
     <developmentDependency>false</developmentDependency>
     <projectUrl>https://github.com/nanoframework/System.Device.Adc</projectUrl>
-    <iconUrl>https://secure.gravatar.com/avatar/97d0e092247f0716db6d4b47b7d1d1ad</iconUrl>
+    <icon>images\nf-logo.png</icon>
     <repository type="git" url="https://github.com/nanoframework/System.Device.Adc" commit="$commit$" />
     <copyright>Copyright (c) .NET Foundation and Contributors</copyright>
     <description>This package includes the System.Device.Adc assembly for .NET nanoFramework C# projects.