Removed nuspec and ported values to csproj.

Author: neogeek

.nuspec

@@ -1,6 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <VersionPrefix>2.0.0</VersionPrefix>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <PackageId>com.scottdoxey.netstandardclasslibrary</PackageId>
+    <Version>2.0.0</Version>
+    <Authors>neogeek</Authors>
+    <Description>Template for building a .NET Standard Class Library in Rider.</Description>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <RepositoryUrl>https://github.com/neogeek/NETStandardClassLibraryTemplate/</RepositoryUrl>
   </PropertyGroup>
 </Project>