Remove reference to Packet EBS Storage

It's deprecated now :[

ci/build_machine_bootstrap.sh

@@ -9,51 +9,6 @@ export DEBIAN_FRONTEND=noninteractive
 # Bypass prompt for libsslv1.1 https://unix.stackexchange.com/a/543706
 echo 'libssl1.1:amd64 libraries/restart-without-asking boolean true' | sudo debconf-set-selections
 
-# Download Packet.net storage utilities
-echo "[$(date +%H:%M:%S)]: Downloading Packet external storage utilities..."
-wget -q -O /usr/local/bin/packet-block-storage-attach "https://raw.githubusercontent.com/packethost/packet-block-storage/master/packet-block-storage-attach"
-chmod +x /usr/local/bin/packet-block-storage-attach
-wget -q -O /usr/local/bin/packet-block-storage-detach "https://raw.githubusercontent.com/packethost/packet-block-storage/master/packet-block-storage-detach"
-chmod +x /usr/local/bin/packet-block-storage-detach
-
-# Set a flag to determine if the boxes are available on external Packet storage
-BOXES_PRESENT=0
-# Attempt to mount the block storage
-echo "[$(date +%H:%M:%S)]: Attempting to mount external storage..."
-/usr/local/bin/packet-block-storage-attach
-sleep 10
-# Check if it was successful by looking for volume* in /dev/mapper
-if ls -al /dev/mapper/volume* > /dev/null 2>&1; then
-  echo "[$(date +%H:%M:%S)]: Mounting of external storage was successful."
-  sleep 5
-  if mount /dev/mapper/volume-fed37d73-part1 /mnt; then
-    echo "[$(date +%H:%M:%S)]: External storage successfully mounted to /mnt"
-  else
-    echo "[$(date +%H:%M:%S)]: Something went wrong mounting the filesystem from the external storage."
-  fi
-  if ls -al /mnt/*.box > /dev/null 2>&1; then
-    BOXES_PRESENT=1
-  fi
-else
-  echo "[$(date +%H:%M:%S)]: No volumes found after attempting to mount storage. Trying again..."
-  /usr/local/bin/packet-block-storage-attach
-  sleep 15
-  if ! ls -al /dev/mapper/volume* > /dev/null 2>&1; then
-    echo "[$(date +%H:%M:%S)]: Failed to mount volumes even after a retry. Giving up..."
-  else
-    echo "[$(date +%H:%M:%S)]: Successfully mounted the external storage after a retry."
-    sleep 10
-    if mount /dev/mapper/volume-fed37d73-part1 /mnt; then
-      echo "[$(date +%H:%M:%S)]: External storage successfully mounted to /mnt"
-    else
-      echo "[$(date +%H:%M:%S)]: Something went wrong mounting the filesystem from the external storage."
-    fi
-    if ls -al /mnt/*.box > /dev/null 2>&1; then
-      BOXES_PRESENT=1
-    fi
-  fi
-fi
-
 # Disable IPv6 - may help with the vagrant-reload plugin: https://github.com/hashicorp/vagrant/issues/8795#issuecomment-468945063
 echo "net.ipv6.conf.all.disable_ipv6=1" >> /etc/sysctl.conf
 sysctl -p /etc/sysctl.conf > /dev/null
@@ -97,7 +52,6 @@ sysctl -p /etc/sysctl.conf > /dev/null
 ## Git Clone DL (Only needed when manually building)
 #git clone https://github.com/clong/DetectionLab.git /opt/DetectionLab
 
-
 # Make the Vagrant instances headless
 cd /opt/DetectionLab/Vagrant || exit 1
 sed -i 's/vb.gui = true/vb.gui = false/g' Vagrantfile
@@ -105,14 +59,6 @@ cd /opt/DetectionLab/Vagrant/Exchange || exit 1
 sed -i 's/vb.gui = true/vb.gui = false/g' Vagrantfile
 cd /opt/DetectionLab/Vagrant || exit 1
 
-# If the boxes are present on external storage, we can modify the Vagrantfile to
-# point to the boxes on disk so we don't have to download them
-if [ $BOXES_PRESENT -eq 1 ]; then
-  echo "[$(date +%H:%M:%S)]: Updating the Vagrantfile to point to the boxes mounted on external storage..."
-  sed -i 's#"detectionlab/win2016"#"/mnt/windows_2016_virtualbox.box"#g' /opt/DetectionLab/Vagrant/Vagrantfile
-  sed -i 's#"detectionlab/win10"#"/mnt/windows_10_virtualbox.box"#g' /opt/DetectionLab/Vagrant/Vagrantfile
-fi
-
 # Recreate a barebones version of the build script so we have some sense of return codes
 cat << 'EOF' > /opt/DetectionLab/build.sh
 #! /usr/bin/env bash