Narrow component prop types, remove unused props and dead code (#2838)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

shared/components/marketing/sections/Features.astro

@@ -1,20 +1,16 @@
 ---
-import SectionDivider from '../SectionDivider.astro'
 import Icon from '@ui/Icon.astro'
 
 interface Props {
-  background?: string
   class?: string
-  divider?: string
 }
 
-const { background, class: className, divider } = Astro.props
+const { class: className } = Astro.props
 
-const sectionClass = ['section', background && `section-${background}`, className]
+const sectionClass = ['section', className]
 ---
 
 <section class:list={sectionClass}>
-  <SectionDivider divider={divider} />
   <div class="container">
     <div class="row items-center text-center g-lg-10">
       <div class="col-md-6 col-lg">