Removed badge for testing

Author: callieEDU

README.md

@@ -5,8 +5,6 @@
 
 [![View on File Exchange](https://www.mathworks.com/matlabcentral/images/matlab-file-exchange.svg)](https://www.mathworks.com/matlabcentral/fileexchange/103375-dc-circuit-analysis) or [![Open in MATLAB Online](https://www.mathworks.com/images/responsive/global/open-in-matlab-online.svg)](https://matlab.mathworks.com/open/github/v1?repo=MathWorks-Teaching-Resources/DC-Circuit-Analysis&project=DCCircuitAnalysis.prj)
 
-![MATLAB Versions Tested](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2FMathWorks-Teaching-Resources%2FDC-Circuit-Analysis%2Frelease%2FImages%2FTestedWith.json)
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 **Curriculum Module**
 
 _Created with R2021b. Compatible with R2021b and later releases._