Update Dockerfile

Dockerfile

@@ -77,11 +77,6 @@ RUN pip uninstall -y triton || true && \
     pip install -v --no-build-isolation triton==3.4.0
 
 
-# FlashAttention 2.8.x
-RUN pip install flash-attn==2.8.3 --no-build-isolation || \
-    pip install flash-attn==2.8.2 --no-build-isolation || \
-    pip install flash-attn==2.8.1 --no-build-isolation || \
-    pip install flash-attn==2.8.0.post2 --no-build-isolation
 
 # ---------------- App dependencies ----------------
 COPY requirements.txt ./requirements.txt