Revert "Fix for k8s nfs related tests"

This reverts commit 23ebfd0305.

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

contrib/gce/configure.sh

@@ -250,12 +250,6 @@ fi
 echo "export PATH=${CONTAINERD_HOME}/usr/local/bin/:${CONTAINERD_HOME}/usr/local/sbin/:\$PATH" > \
   /etc/profile.d/containerd_env.sh
 
-mkdir -p /etc/systemd/system/containerd.service.d/
-cat >> /etc/systemd/system/containerd.service.d/override.conf <<EOF
-[Service]
-LimitNOFILE=1048576
-EOF
-
 # Run extra init script for test.
 if [ "${CONTAINERD_TEST:-"false"}"  == "true" ]; then
   # EXTRA_INIT_SCRIPT is the name of the extra init script after being downloaded.