removed diagram ref

app.py

@@ -141,14 +141,6 @@ Example:
    You can rotate the 3D view to explore groupings.
 
 ---
-## 📊 From High-Dimensional Space to 3D View
-
-Below is a simplified illustration of what happens:  
-On the left: data points in a high-dimensional space (shown here as 5D for simplicity).  
-On the right: the same points projected into a 3D space using PCA.
-
-![High-dimensional to 3D projection](embedding_projection_diagram.png)
-
 
 ## 💡 Typical Applications of Embeddings
 - **Semantic search** – Find relevant results even if exact keywords don’t match