chore(ui): drop blank line before sibling CSS imports

perfectionist/sort-imports flagged the blank line between the local
import group and the side-effect `./index.css` import in two relocated
files. Squash the blank line so the imports form one contiguous group.

Author: jacobsfletch

packages/ui/src/elements/DocumentHeader/Tabs/Tab/index.tsx

@@ -13,7 +13,6 @@ import { Fragment } from 'react'
 // eslint-disable-next-line payload/no-imports-from-exports-dir -- Server component must reference exports dir for proper client boundary
 import { DocumentTabLink } from '../../../../exports/client/index.js'
 import { RenderServerComponent } from '../../../RenderServerComponent/index.js'
-
 import './index.css'
 
 export const baseClass = 'doc-tab'

packages/ui/src/elements/DocumentHeader/Tabs/tabs/VersionsPill/index.tsx

@@ -2,7 +2,6 @@
 import React from 'react'
 
 import { useDocumentInfo } from '../../../../../providers/DocumentInfo/index.js'
-
 import './index.css'
 
 const baseClass = 'pill-version-count'