Remove Scala Days 2025 sponsors from the frontpage

The infrastructure to display sponsors is not deleted,
as probably we'll need it again next year for Scala Days 2026.

Author: anatoliykmetyuk

_data/scala-days-sponsors.yml

@@ -16,138 +16,4 @@ sponsorship-types:
     icon: img/assets/icon-bronze.svg
     css-class: scaladays-org-logo-bronze
 
-sponsors:
-  - title: VirtusLab
-    type: Platinum
-    logo: /resources/img/scala-days-sponsors/virtuslab.png
-    url: https://virtuslab.com
-
-  - title: Signify Technology
-    type: Platinum
-    logo: /resources/img/scala-days-sponsors/signify.png
-    url: https://www.signifytechnology.com/
-
-  - title: Gradle
-    type: Gold
-    logo: /resources/img/scala-days-sponsors/gradle.png
-    url: https://gradle.com/
-
-  - title: JetBrains
-    type: Gold
-    logo: /resources/img/scala-days-sponsors/jetbrains.svg
-    url: https://jetbrains.com
-
-  - title: Scalac
-    type: Gold
-    logo: /resources/img/scala-days-sponsors/scalac.svg
-    url: https://scalac.io
-
-  - title: Xebia
-    type: Gold
-    logo: /resources/img/scala-days-sponsors/xebia.svg
-    url: https://xebia.com
-
-  - title: Writer
-    type: Gold
-    logo: /resources/img/scala-days-sponsors/writer.svg
-    url: https://writer.com
-
-  - title: Kpler
-    type: Silver
-    logo: /resources/img/scala-days-sponsors/kpler.png
-    url: https://www.kpler.com/
-
-  - title: Scala Teams
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/scalateams.png
-    url: https://www.scalateams.com/scala-days-2025
-
-  - title: Mastercard
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/mc_symbol.svg
-    url: https://www.mastercard.com/
-
-  - title: MOIA
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/MOIA-logo-black.png
-    url: https://www.moia.io/en
-
-  - title: Les Toises
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/les-toises.png
-    url: https://www.lestoises.ch/
-
-  - title: Rock the JVM
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/rock-the-jvm.png
-    url: https://rockthejvm.com/
-
-  - title: Ngrok
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/ngrok-coral.svg
-    url: https://ngrok.com/
-
-  - title: Youmoni
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/youmoni.svg
-    url: https://youmoni.com/
-
-  - title: DFiant
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/DFiant-LightBG.png
-    url: https://dfiant.works/
-
-  - title: Snowplow Analytics Ltd
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/snowplow-logo.svg
-    url: https://snowplow.io/
-
-  - title: SoftwareMill
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/softwaremill-logo.png
-    url: https://softwaremill.com/
-
-  - title: Tiko
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/tiko.png
-    url: https://tiko.org/
-
-  - title: Recorded Future
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/recorded-future.png
-    url: https://www.recordedfuture.com/
-
-  - title: Swissborg
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/swissborg.svg
-    url: https://swissborg.com/
-
-  - title: Deltek
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/deltek.png
-    url: https://www.deltek.com/
-
-  - title: HES-SO Valais-Wallis
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/hesso.png
-    url: https://www.hevs.ch/en/applied-research/research-institute-informatics/
-
-  - title: Artima
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/artima.png
-    url: https://www.artima.com/
-
-  - title: NuMind
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/numind.png
-    url: https://numind.ai/
-
-  - title: SiriusXM
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/siriusxm.png
-    url: https://www.siriusxm.com/
-
-  - title: Netflix
-    type: Bronze
-    logo: /resources/img/scala-days-sponsors/netflix.png
-    url: https://about.netflix.com/
+sponsors: []

_layouts/frontpage.html

@@ -16,7 +16,6 @@
         </p>
         <span class="hide"><i class="fa fa-close"></i></span>
       </div>
-      {% include scala-days-sponsors.html %}
       <div class="wrap">
         <!-- Navigation -->
         <nav class="navigation" role="menu">