remove superfluous separators

Author: MMesch

src/pages/index.tsx

@@ -164,8 +164,6 @@ function HomeContent() {
         at near-zero infrastructure cost.
       </Banner>
 
-      <SectionSeparator variant={6} />
-
       {/* ── About us ──────────────────────────────────────────────────────── */}
       <Section fullHeight>
         <h2 className="text--center">About us</h2>

src/pages/notebooklink.tsx

@@ -32,8 +32,6 @@ function NotebookLinkContent() {
         <LinkToNotebookLink label="Get started — it's free" />
       </SplitSection>
 
-      <SectionSeparator variant={6} />
-
       <Section>
         <h2>A complete compute environment in a link.</h2>
         <p>
@@ -49,8 +47,6 @@ function NotebookLinkContent() {
         </p>
       </Section>
 
-      <SectionSeparator variant={7} />
-
       <Section bg="dark">
         <h2 className="text--center">Proven at scale.</h2>
         <p className="text--center">
@@ -80,8 +76,6 @@ function NotebookLinkContent() {
         </CardGrid>
       </Section>
 
-      <SectionSeparator variant={8} />
-
       <Section>
         <h2 className="text--center">Built for every use case.</h2>
         <CardGrid cols={2}>