remove opencv reinstall

Dockerfile

@@ -14,9 +14,7 @@ RUN apt-get update \
 RUN pip install torch==2.1.1 -i https://download.pytorch.org/whl/cpu
 RUN pip install paddlepaddle==2.6.0 -i https://mirror.baidu.com/pypi/simple
 RUN pip install transformers pytesseract gradio Pillow
-RUN pip install paddleocr==2.7.0.3 \
-    && pip uninstall -y opencv-python opencv-contrib-python \
-    && pip install opencv-python-headless
+RUN pip install paddleocr==2.7.0.3
 
 RUN useradd -m -u 1000 user
 USER user