fix: Remove keyserver fetch from Dockerfile (#2639)

Author: gs-olive

docker/Dockerfile

@@ -39,8 +39,6 @@ RUN pyenv global ${PYTHON_VERSION}
 RUN wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-ubuntu2204.pin
 RUN mv cuda-ubuntu2204.pin /etc/apt/preferences.d/cuda-repository-pin-600
 RUN apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/7fa2af80.pub
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 536F8F1DE80F6A35
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A4B469963BF863CC
 RUN add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/ /"
 RUN apt-get update
 RUN apt-get install -y libcudnn8=${CUDNN_VERSION}* libcudnn8-dev=${CUDNN_VERSION}*