Remove Ozayr Mohammed from contributors (#443)

Removed Ozayr Mohammed from the contributors list.

Author: DCEW

about.qmd

@@ -8,7 +8,6 @@ The Data Science team at the Strategy Unit comprises the following team members:
 - [Claire Welsh](https://github.com/DCEW)
 - [Francis Barton](https://github.com/francisbarton)
 - [Matt Dray](https://github.com/matt-dray)
-- [Ozayr Mohammed](https://github.com/O-Mohammed)
 - [Rhian Davies](https://github.com/statsRhian)
 - [Tom Jemmett](https://github.com/tomjemmett)
 - [YiWen Hon](https://github.com/yiwen-h)