ui: remove per-tab description blurbs

Both tabs now go straight from the tab header into the input/output
UI without an intermediate gr.Markdown blurb.

app.py

@@ -44,10 +44,6 @@ with gr.Blocks(title="Chosun 교정교열 데모") as demo:
 
     with gr.Tabs():
         with gr.Tab("v16 (legacy · 260408)"):
-            gr.Markdown(
-                "**solar-pro3 + step1 single-pass.** 빠르고 가벼움. "
-                "paragraph F1 ~45.6 / ci-v1 ~19.3."
-            )
             build_feedback_tab(
                 client=client,
                 vocabulary=vocabulary,
@@ -56,12 +52,6 @@ with gr.Blocks(title="Chosun 교정교열 데모") as demo:
             )
 
         with gr.Tab("v24 (new · 260429)"):
-            gr.Markdown(
-                "**solar-pro3 + FT + self-consistency × 2 + tool-calling judge.** "
-                "5 LLM calls/doc — 응답 다소 느림 (~5-10s/문단). "
-                "paragraph F1 47.04 (solar-pro2 대비 +2.18). "
-                "긴 기사는 자동으로 문단 단위 청킹 → 병렬 처리됨."
-            )
             build_feedback_tab(
                 client=client,
                 vocabulary=vocabulary,