chore: remove duplicate project source URL from chocolatey package metadata

Signed-off-by: jbrinkman <[email protected]>

Author: jbrinkman

packaging/chocolatey/dotnetapidiff.nuspec

@@ -12,7 +12,6 @@
         <copyright>2025 Joe Brinkman</copyright>
         <licenseUrl>https://github.com/jbrinkman/dotnet-api-diff/blob/main/LICENSE</licenseUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <projectSourceUrl>https://github.com/jbrinkman/dotnet-api-diff</projectSourceUrl>
         <docsUrl>https://github.com/jbrinkman/dotnet-api-diff/blob/main/README.md</docsUrl>
         <bugTrackerUrl>https://github.com/jbrinkman/dotnet-api-diff/issues</bugTrackerUrl>
         <tags>dotnet api diff compare assembly compatibility breaking-changes cli tool</tags>