Removed broken links

Author: JPHaus

BACKERS.md

@@ -17,7 +17,7 @@ The Data Engineering Wiki is an CC0-1.0-licensed open source project with its on
 
 ## Silver Sponsors
 
-<a href="https://bit.ly/dataengwiki">
+<a href="">
     <img src="https://raw.githubusercontent.com/data-engineering-community/data-engineering-wiki/main/Assets/starburst-logo.svg" width=200>
 </a>
 

Index.md

@@ -37,12 +37,6 @@ Welcome! This is the official wiki built and maintained by the [[Community|data
 	</a>
 </div>
 
-## Silver Sponsors
-
-<div class="sponsors-silver" style="display: flex; flex-wrap: wrap;">
-<a href="https://bit.ly/dataengwiki">
-    <img src="https://raw.githubusercontent.com/data-engineering-community/data-engineering-wiki/main/Assets/starburst-logo.svg" width=200>
-</a>
 </div>
 
 

README.md

@@ -41,12 +41,6 @@ The Data Engineering Wiki is an CC0-1.0-licensed open source project with its on
     <img src="https://raw.githubusercontent.com/data-engineering-community/data-engineering-wiki/41d72633bf4c6fea9f1d073f590dfc7d331359b4/Assets/great-expectations-logo.svg" width=250>
 </a>
 
-## Silver Sponsors
-
-<a href="https://bit.ly/dataengwiki">
-    <img src="https://raw.githubusercontent.com/data-engineering-community/data-engineering-wiki/main/Assets/starburst-logo.svg" width=200>
-</a>
-
 </div>
 
 ## How to run it locally