Remove duplicated section

Author: mdingena

README.md

@@ -94,14 +94,6 @@ There is an important distinction between the `boxSize` you observe and the `box
 
 Using [`useResizeObserver()`](/docs/api.md#useresizeobserver), [`useResizeObserverEntry()`](/docs/api.md#useresizeobserverentry) or [`useBreakpoints()`](/docs/api.md#usebreakpoints) in your components causes them to re-render **every time a resize is observed**.
 
-In some cases, you may want to optimise this. If you only want to re-render your components when the returned breakpoint values actually change, use `React.useMemo` or `React.memo`.
-
-# Re-rendering
-
-Using [`useResizeObserver()`](/docs/api.md#useresizeobserver), [`useResizeObserverEntry()`](/docs/api.md#useresizeobserverentry) or [`useBreakpoints()`](/docs/api.md#usebreakpoints) in your components causes them to re-render **every time a resize is observed**.
-
-In some cases, you may want to optimise this. If you only want to re-render your components when breakpoint values actually change, use `React.useMemo` or `React.memo`.
-
 # Server-Side Rendering
 
 See [Server-Side Rendering](/docs/server-side-rendering.md) for more information.