Update README.md

GoFundMe campaign is no longer accepting donations.

Author: retailcoder

README.md

@@ -4,7 +4,9 @@
 
 If you like this project and would like to thank its contributors, you are welcome to support our GoFundMe campaign to finance Rubberduck swag and international shipping - contributors will be getting t-shirts, mugs, and other cool things.
 
+<!-- campaign is no longer accepting donations
 [![GoFundMe campaign](https://user-images.githubusercontent.com/5751684/29191799-e3d20b72-7dec-11e7-8ec6-0c69da4a3135.png)](https://www.gofundme.com/rubberduckvba)
+-->
 
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