Remove Pinterest from list of mood board services

Can no longer recommend since they suspended the account that hosted our Cloud Four mood board without warning, explanation or appeal.

Author: tylersticka

design/deliverables/README.md

@@ -40,7 +40,6 @@ Mood boards are traditionally assembled in-person by cutting out pieces of magaz
 
 - [InVision Boards](https://www.invisionapp.com/blog/boards-share-design-inspiration-assets/)
 - [Niice](https://niice.co/)
-- [Pinterest](https://www.pinterest.com/)
 
 ### Further Reading
 
@@ -84,4 +83,4 @@ We love designing in-browser, but it's usually a better idea to do looser explor
 ### Further Reading
 
 - [Dan Mall: Element Collages](http://v3.danielmall.com/articles/rif-element-collages/)
-- [Cloud Four: Element Collages… are FUN!](https://cloudfour.com/thinks/element-collages-are-fun/)
+- [Cloud Four: Element Collages… are FUN!](https://cloudfour.com/thinks/element-collages-are-fun/)