Deleted Forrester report (nodejs#1445)

I thought I had deleted the Forrester report before, but it doesn't appear that it went through. The report is no longer available, so I would like to eliminate any reference of it on the Foundation tab.

Author: ZibbyKeaton

locale/en/foundation/case-studies.md

@@ -8,12 +8,6 @@ The primary objective of the research was to profile Node.js users, understand u
 
 * <a href="/static/documents/casestudies/Nodejs_2017_User_Survey_Exec_Summary.pdf" data-casestudy="Node.js Foundation 2017 Survey Results">Read the full report.</a>
 
-## Forrester Report: Digital Transformation Using Node.js
-
-Forrester's November 2016 report details five common use cases around Node.js and how it can underpin digital transformation
-
-* [Read the full report here](https://reprints.forrester.com/#/assets/2/796/RES135952/reports)
-
 ## On-demand Forrester Research Webinar on Digital Transformation
 
 Check out our recent webinar on Digital Transformation with Node.js featuring Mark Hinkle, Executive Director for the Node.js Foundation, and Rick Adams, Senior Manager -IT Solutions at Lowe's. [Watch Now](http://go.linuxfoundation.org/e/6342/tal-transformation-with-nodejs/3vwsts/807272559) or [Download the Slides](http://go.linuxfoundation.org/e/6342/ion-nodejs-slides-20170712-pdf/3vwstv/807272559)