docs: fix install commands in Marimo demos — remove non-existent extras

Author: forrestzhang

docs/example/marimo/benchmark/benchmark_demo.md

@@ -15,7 +15,7 @@ This interactive demo shows how to benchmark multiple DNA language models using
 Install DNALLM with the inference and benchmark extras:
 
 ```bash
-uv pip install -e '.[base,inference,cuda124]'
+uv pip install -e '.[base,cuda124]'
 ```
 
 Then launch the demo:

docs/example/marimo/finetune/finetune_demo.md

@@ -15,7 +15,7 @@ This interactive demo shows how to fine-tune a DNA language model with a custom
 Install DNALLM with the fine-tuning extras:
 
 ```bash
-uv pip install -e '.[base,finetune,cuda124]'
+uv pip install -e '.[base,cuda124]'
 ```
 
 Then launch the demo:

docs/example/marimo/inference/inference_demo.md

@@ -15,7 +15,7 @@ This interactive demo shows how to run inference with pre-trained DNA language m
 Install DNALLM with the inference extras:
 
 ```bash
-uv pip install -e '.[base,inference,cuda124]'
+uv pip install -e '.[base,cuda124]'
 ```
 
 Then launch the demo: