Sim: don't need nvidia docker anymore (#32676)

Dont need nvidia docker anymore

tools/sim/Dockerfile.sim_nvidia

@@ -1,21 +0,0 @@
-FROM ubuntu:20.04
-
-ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-      apt-utils \
-      sudo \
-      ssh \
-      curl \
-      ca-certificates \
-      git \
-      git-lfs && \
-    rm -rf /var/lib/apt/lists/*
-
-RUN curl -fsSL https://get.docker.com -o get-docker.sh && \
-    sudo sh get-docker.sh && \
-    distribution=$(. /etc/os-release;echo $ID$VERSION_ID) && \
-    curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add - && \
-    curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list && \
-    sudo apt-get update && \
-    sudo apt-get install -y nvidia-docker2