Update submission portal description for Medico 2025 challenge

medvqa/competitions/medico-2025/submission_portal.py

@@ -119,10 +119,7 @@ def refresh_page():
 with gr.Blocks(title="🌟 MediaEval Medico 2025 Submissions 🌟") as demo:
     gr.Markdown("""
 # 🌟 Welcome to the official submission portal for the **[MediaEval Medico 2025](https://multimediaeval.github.io/editions/2025/tasks/medico/)** challenge! 🏥🔍  
-### 📋 [**GitHub Repository**](https://github.com/simula/MediaEval-Medico-2025) | 🔗 [**MediaEval 2025 Task Page**](https://multimediaeval.github.io/editions/2025/tasks/medico/)  
----
-The **MediaEval Medico 2025 Challenge** 🔬 focuses on **Visual Question Answering (VQA)** for **Gastrointestinal (GI) imaging**, emphasizing **explainability** 🤔📖 to foster **trustworthy AI** for clinical adoption ⚕️.
-This task continues the long-running **Medico series** at MediaEval and leverages the newly developed **Kvasir-VQA-x1** dataset, enabling **multimodal reasoning** and **interpretable clinical decision support** 📈.
+### 📋 [**GitHub Repository**](https://github.com/simula/MediaEval-Medico-2025) | 🔗 [**MediaEval 2025 Task Page**](https://multimediaeval.github.io/editions/2025/tasks/medico/) 
 ### 📦 [**Available Datasets**](https://github.com/simula/MediaEval-Medico-2025#-dataset-overview-kvasir-vqa-x1) | 🧠 [**Task Details & Training Resources**](https://github.com/simula/MediaEval-Medico-2025?tab=readme-ov-file#-task-descriptions) | 📝 [**Submission Instructions**](https://github.com/simula/MediaEval-Medico-2025#submission)  
 ---
 """)