Update hackathon.md

content/en/blog/hackathon.md

@@ -60,22 +60,14 @@ Ideas of the problems that we will be solving are [here](https://harmonydata.ac.
 
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 * 09:00 - Registration
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 * 09:30 - 10:00 - Welcome talk and introductions from Thomas Wood (Fast Data Science) and Bettina Moltrecht (UCL)
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 * 10:00 – 12:15 - Breakout groups - Begin working on projects
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 * 12:30 - 13:30 - Lunch break
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 * 13:30-15:15 - Breakout groups - Continue working on projects
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 * 15:15-15:30 - Write up; push to GitHub
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 * 15:30-16:30 - Group presentations - 3 minutes per group; show us your notebooks! 😊
 What you have achieved; key outputs; next steps
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 * 16:30-17:00 - Close of the Hackathon, feedback and next steps
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 * 18:00 - Drinks in a pub!
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