Remove apt-get purge

Signed-off-by: Hung-Han (Henry) Chen <chenhungh@gmail.com>

Dockerfile.gptq

@@ -3,8 +3,7 @@
 FROM nvidia/cuda:12.2.0-devel-ubuntu22.04
 RUN apt-get update \
     && apt-get install -y --no-install-recommends g++ python3-dev python3-pip \
-    && rm -rf /var/lib/apt/lists/* \
-    && apt-get purge -y --auto-remove g++ python3-dev python3-pip
+    && rm -rf /var/lib/apt/lists/*
 WORKDIR /app
 COPY requirements.txt requirements.txt
 RUN pip3 install -r requirements.txt