Simplify README

Author: ccheetham

README.md

@@ -31,16 +31,9 @@ $ dotnet new --install Steeltoe.NetCoreTool.Templates
 ### From Source (development)
 
 ```
-$ dotnet pack src/Steeltoe.NetCoreTool.Templates.csproj
 $ dotnet new --install Steeltoe.NetCoreTool.Templates.*.nupkg
 ```
 
 Note: To see templates in Visual Studio, you may need to enable:
 
 _Tools->Options..._ _Preview Features:_ _Show all .NET Core templates in the NEW project dialog_
-
-### Uninstall
-
-```
-$ dotnet new --uninstall Steeltoe.NetCoreTool.Templates
-```