fix outdated URLs
diff --git a/.gitignore b/.gitignore
index 9093f83..0bfc5dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,4 @@
-# https://www.dartlang.org/guides/libraries/private-files
+# https://dart.dev/guides/libraries/private-files
.packages
-.pub
.dart_tool
-packages
pubspec.lock
diff --git a/README.google b/README.google
deleted file mode 100644
index d9ad278..0000000
--- a/README.google
+++ /dev/null
@@ -1,13 +0,0 @@
-Name: Tuple data structure for dart.
-Short Name: tuple
-URL: https://pub.dartlang.org/packages/tuple
-Version: v1.0.1
-Date: October 29, 2016
-License: BSD 2-clause "Simplified" License
-
-Description:
-This directory contains the tuple package as checked
-out from git@github.com:kseo/tuple.git at tag v1.0.1
-on June 13, 2017.
-Modified to use quiver.core directly instead of
-quiver_hashcode.
