Update

vendor/golang.org/x/oauth2/transport.go

@@ -58,7 +58,7 @@ func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
 var cancelOnce sync.Once
 
 // CancelRequest does nothing. It used to be a legacy cancellation mechanism
-// but now only it only logs on first use to warn that it's deprecated.
+// but now only logs on first use to warn that it's deprecated.
 //
 // Deprecated: use contexts for cancellation instead.
 func (t *Transport) CancelRequest(req *http.Request) {