Remove deekseek v4 since it's not a vision model

src/models.js

@@ -84,14 +84,7 @@ export const MODELS = [
     provider: 'ollama',
     creator:  'Kimi / Ollama Cloud',
     vision:   true,
-  },
+  }
-  {
-    id:       'deepseek-v4-flash:cloud',
-    label:    'DeepSeek V4 Flash',
-    provider: 'ollama',
-    creator:  'DeepSeek / Ollama Cloud',
-    vision:   true,
-  },
 ];
 
 export const DEFAULT_MODEL_ID = 'qwen3.5:397b-cloud';