Updated and re-enabled statickcheck

vendor/golang.org/x/tools/go/packages/visit.go

@@ -24,7 +24,7 @@ func Visit(pkgs []*Package, pre func(*Package) bool, post func(*Package)) {
 				for path := range pkg.Imports {
 					paths = append(paths, path)
 				}
-				sort.Strings(paths) // for determinism
+				sort.Strings(paths) // Imports is a map, this makes visit stable
 				for _, path := range paths {
 					visit(pkg.Imports[path])
 				}