Revert "Replace PackageLicenseUrl with PackageLicenseFile"

This reverts commit 239d8d6.

Author: sstevenkang

src/Amazon.Extensions.Configuration.SystemsManager/Amazon.Extensions.Configuration.SystemsManager.csproj

@@ -15,18 +15,14 @@
     <Copyright>2018</Copyright>
     <PackageTags>AWS;Amazon;aws-sdk-v3;SimpleSystemsManagement;configuration</PackageTags>
     <PackageProjectUrl>https://github.com/aws/aws-dotnet-extensions-configuration/</PackageProjectUrl>
-    <PackageLicenseFile>LICENSE</PackageLicenseFile>
+    <PackageLicenseUrl>http://aws.amazon.com/apache2.0/</PackageLicenseUrl>
     <PackageIconUrl>https://sdk-for-net.amazonwebservices.com/images/AWSLogo128x128.png</PackageIconUrl>
     <RepositoryUrl>https://github.com/aws/aws-dotnet-extensions-configuration/</RepositoryUrl>
     <Company>Amazon Web Services</Company>
 
     <CodeAnalysisRuleSet>../ruleset.xml</CodeAnalysisRuleSet>
   </PropertyGroup>
 
-  <ItemGroup>
-    <None Include="../../LICENSE" Pack="true" PackagePath=""/>
-  </ItemGroup>
-
   <Choose>
     <When Condition=" '$(AWSKeyFile)' == '' ">
       <PropertyGroup>