Remove remaining submission track

_data/track_dates.yml

@@ -20,9 +20,6 @@ workshops:
      date: August 2024
 
 homepage:
-  -  label: Non-archival posters due
-     date: September 2, 2024
-
   -  label: Doctoral and ECR event
      date: September 15, 2024
 

index.html

@@ -51,10 +51,10 @@ <h2 class="d-none" id="our-call-for-papers">Our call for papers</h2>
     The event will include a welcome session with networking happy hour, poster sessions, paper presentations, expert keynotes, and a conference banquet, as well as a day of interactive workshops prior to the main conference. Presentations will feature cutting-edge research on trustworthy autonomous systems, responsible and ethical artificial intelligence, and human-machine interaction, with panels and workshops exploring socio-technical systems, automated decision-making, and their real-world impacts. There will also be networking opportunities with leading experts, researchers, and professionals in the field, including networking with PhD students and post-doctoral researchers in an early-career event before the conference.
   </p>
 
-  <p>We still have one open submission track to get your work to the symposium:<br>
+  <!-- <p>We still have one open submission track to get your work to the symposium:<br>
     <ul><li>A <a href="https://symposium.tas.ac.uk/2024/submit/nonarchival-posters/">non-archival posters track</a>, particularly suitable for researchers more used to non-archival conferences (poster proposals due September 2).</li></ul></p>
 
- <!-- <p>
+ <p>
     We invite full-paper submissions, poster abstracts, and workshop proposals on research that addresses the challenges
     of designing, building, and deploying Trustworthy Autonomous Systems (TAS). Contributions may consider technical,
     social, legal, and ethical issues and their impacts on individuals, society, and the economy. Submissions may come