Braccio-carrier Datasheet: MD alignment (#615)

* MD alignment
  * Remove unused metadata
  * Align featured assets (now alt text is empty)

Co-authored-by: marqdevx <[email protected]>

Author: ArduinoBot

content/hardware/07.edu/carriers/braccio-carrier/datasheet/datasheet.md

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 identifier: ASX00032
 title: Arduino® Braccio Carrier
-revision: Rev. 01
 type: edu
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-![Braccio Carrier Featured Image](assets/featured.png)
+
+![](assets/featured.png)
 
 # Description
 Arduino® Braccio Carrier is an add-on board that sits on top of your favorite Arduino Educational existing product line providing faster prototyping in increasing demands for robotics and automation. The tailor-made Arduino® Braccio Carrier has a collection of features that enables quick and easy learning while building small projects.