refactor(pl/rust): remove unneeded note

Author: vados-cosmonic

component-model/src/language-support/importing-and-reusing-components/rust.md

@@ -5,9 +5,6 @@
 The world file (`wit/world.wit`) we generated doesn't specify any imports.
 If your component consumes other components, you can edit the `world.wit` file to import their interfaces.
 
-> [!NOTE]
-> This section is about importing custom WIT interfaces from library components.
-
 For example, suppose you have created and built an adder component as explained in the [exporting an interface section](#exporting-an-interface-with-cargo-component) and want to use that component in a calculator component. Here is a partial example world for a calculator that imports the add interface:
 
 ```wit