doc(import statement): delete extraneous blank lines

Author: Bayn-Web

Diff for: src/api/sfc-script-setup.md

@@ -482,7 +482,6 @@ In addition, the awaited expression will be automatically compiled in a format t
 ## Import Statements {#imports-statements}
 
 Import statements in vue follow [ECMAScript module specification](https://nodejs.org/api/esm.html).
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 In addition, you can use aliases defined in your build tool configuration:
 
 ```vue
@@ -494,7 +493,6 @@ import { componentC } from '~/Components'
 </script>
 ```
 
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 ## Generics <sup class="vt-badge ts" /> {#generics}
 
 Generic type parameters can be declared using the `generic` attribute on the `<script>` tag: