Remove attribution to external repo

josteink · web-flow · commit ab3286924f05 · 2016-11-16T12:38:07.000+01:00
External repo is obsolete. This is now the canonical master.
diff --git a/src/gmail.d.ts b/src/gmail.d.ts
@@ -2,8 +2,6 @@
 // gmail.d.ts
 // ==========
 //
-// Canoical source: https://github.com/josteink/gmail.ts
-//
 // This code is MIT licensed.
 
 
