update: sponsor pages with 2026 info

Author: aramboi

src/components/sponsor-tiers/sponsor-tiers.astro

@@ -41,7 +41,6 @@ const tiers: SponsorTierProps[] = [
       "<strong>5 min slot during the closing session</strong>",
       "<strong>One-time email to all conference participants</strong>",
       "<strong>1 technical case study posted on dev.to and the EuroPython blog </strong>",
-      "Video ad(s) (silent) on venue digital signage",
       "1 technical talk slot (30 min)</strong>",
       "Unlimited job postings on website",
       "1 job posting on EuroPython blog",
@@ -67,7 +66,6 @@ const tiers: SponsorTierProps[] = [
       "<strong>6</strong> conference tickets (€3000 value)",
       "<strong>6</strong> remote tickets (€900 value)",
       "<strong>6</strong> conference vouchers with 30% discount (€900 value)",
-      "Video ad(s) (silent) on venue digital signage",
       "<strong>1 technical talk slot (30 min)</strong>",
       "<strong>Unlimited</strong> job postings on website",
       "1 job posting on EuroPython blog",
@@ -94,12 +92,9 @@ const tiers: SponsorTierProps[] = [
       "<strong>3</strong> conference tickets (€1500 value)",
       "<strong>3</strong> remote tickets (€450 value)",
       "<strong>3</strong> conference vouchers with 30% discount (€450 value)",
-
-      "Video ad(s) (silent) on venue digital signage",
       "1 job posting on EuroPython blog",
       "<strong>5</strong> job postings on website",
       "<strong>Custom Discord channel</strong>",
-      "<strong>Video ad(s) on livestreams</strong>",
       "<strong>Recruiting Session/Talent Track access</strong>",
       "Logo on <strong>recordings</strong>, <strong>banners</strong>, website, signage",
       "<strong>1 repost on EuroPython socials (35k total reach)</strong>",
@@ -116,7 +111,6 @@ const tiers: SponsorTierProps[] = [
       "2 conference tickets (€1000 value)",
       "2 remote tickets (€300 value)",
       "1 conference voucher with 30% discount (€150 value)",
-      "Video ad(s) (silent) on venue digital signage",
       "1 job posting on EuroPython blog",
       "2 job postings on website",
       "Logo on website and signage",