Remove unused parameter

src/Features/Core/Portable/AddPackage/AbstractAddPackageCodeFixProvider.cs

@@ -64,7 +64,7 @@ internal abstract partial class AbstractAddPackageCodeFixProvider : CodeFixProvi
 
                     var sortedPackages = await FindMatchingPackagesAsync(
                         packageSource, symbolSearchService,
-                        installerService, assemblyNames, cancellationToken).ConfigureAwait(false);
+                        assemblyNames, cancellationToken).ConfigureAwait(false);
 
                     foreach (var package in sortedPackages)
                     {
@@ -81,7 +81,6 @@ internal abstract partial class AbstractAddPackageCodeFixProvider : CodeFixProvi
         private async Task<ImmutableArray<PackageWithAssemblyResult>> FindMatchingPackagesAsync(
             PackageSource source,
             ISymbolSearchService searchService,
-            IPackageInstallerService installerService,
             ISet<string> assemblyNames,
             CancellationToken cancellationToken)
         {