fix(icons): changed layout-list icon

[jguddas]

What is the purpose of this pull request?

• Other: Icon update

Description

Remove one of the lines to be consistent with other list icons.

Before Submitting

• I've read the Contribution Guidelines.
• I've checked if there was an existing PR that solves the same issue.

[github-actions]

Added or changed icons

Preview cohesion

Preview stroke widths

DPI Preview (24px)

Icon X-rays

Icon Diffs

Icons as code

Works for: lucide-react, lucide-react-native, lucide-preact, lucide-vue-next

const LayoutListIcon = createLucideIcon('LayoutList', [
  ["path",{"d":"M14 12h7"}],
  ["path",{"d":"M14 18h7"}],
  ["path",{"d":"M14 6h7"}],
  ["rect",{"x":"3","y":"14","width":"7","height":"7","rx":"1"}],
  ["rect",{"x":"3","y":"3","width":"7","height":"7","rx":"1"}]
])