Update 2.4_formats_and_performance.md

Remove old content

lectures/2.4_formats_and_performance/2.4_formats_and_performance.md

@@ -119,11 +119,6 @@ On cloud platforms, optimizing resource usage doesn’t just reduce your carbon
 
 As you design and execute workflows, think about how you can reduce complexity, reuse existing resources, and streamline processes. By doing so, you’re contributing to a more sustainable approach to computing.
 
-### Difference between platform usage and cloud directly
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-TODO: Is this covered already in the platform lesson? Yes
-Using platforms removes complexity and adds abstraction layers
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 ## What to avoid and what are the limitations
 
 While scaling is providing many options and is essential for achieving results on a larger scale, there are some limitations to keep in mind and activities to even avoid.