Fix prompt template: bare {{ question }} since source question column has <image> baked in (avoid placeholder duplication)

metadata.json

@@ -10,7 +10,7 @@
         "single_image_start"
       ],
       "task_type": "vqa",
-      "prompt_template": "<image>{{ question }}",
+      "prompt_template": "{{ question }}",
       "mapping_from_source": {
         "media": {
           "from": "images",
@@ -40,7 +40,7 @@
       "prompt_template_source": {
         "origin": "official",
         "reference": "https://github.com/EvolvingLMMs-Lab/lmms-eval/blob/main/lmms_eval/tasks/geometry3k/utils.py (geometry3k_doc_to_text — bare question; choices and trailer baked into source question column)",
-        "notes": "lmms-eval Geometry3K canonical evaluation prompt."
+        "notes": "lmms-eval Geometry3K canonical evaluation prompt. The question column already contains <image> placeholders and problem+choices+trailer baked in from the source dataset, so the template is bare {{ question }} to avoid duplicating the placeholder."
       }
     }
   }