remove old nuget packaging instructions

BeckmanComms.Api.DataTransferObjects/README.md

@@ -11,24 +11,6 @@ See <https://docs.microsoft.com/en-us/nuget/quickstart/create-and-publish-a-pack
 
 Publish package to `G:\NuGetFeed\BeckmanComms.Api.DataTransferObjects.{version}`.
 
-### Alternate NuGet Packaging Instructions
-
-The DTO project may also be packaged using NuGet Package Explorer.
-
-0. Install [NuGet Package Explorer](https://chocolatey.org/packages/NugetPackageExplorer).
-1. Open `Api.DataTransferObjects.nuspec` in NuGet Package Explorer.
-    * Expand the **lib** tree in the **Package Contents** pane.
-2. Open the `Api.DataTransferObjects\bin` directory in file explorer.
-3. In Visual Studio, clean the solution in both Debug and Release modes.
-4. In Visual Studio, build the solution in both Debug and Release modes.
-5. Drag the `.dll`, `.pdb`, and `.xml` objects from the Debug and Release folders in file explore to their respective directories in the NuGet File Explorer **Package Contents** pane.
-6. In the **Package Metadata** pane of NuGet Package Explorer, click the icon to edit package metadata.
-    * Increment the **Version** field using [semantic versioning](http://semver.org/).
-    * Summarize version changes in the **Release Notes** field.
-    * Update package dependencies if needed.
-7. Save Metadata (**File > Save Metadata As...**) `Api.DataTransferObjects.nuspec` in the Api.DataTransferObjects project folder and commit to version control.
-8. Save package (**File > Save As...**) `G:\NuGetFeed\BeckmanComms.Api.DataTransferObjects.{version}`.
-
 ### Resources
 
 * [How to host your own NuGet Server and Package Feed](https://www.hanselman.com/blog/HowToHostYourOwnNuGetServerAndPackageFeed.aspx)