feat: Remove unused functions (#1276)

src/utils.sh

@@ -415,74 +415,6 @@ cpu() {
   return 0
 }
 
-getDisk() {
-
-  local name="${DISK_NAME:-data}" path
-  enabled "${DISK_DISABLE:-}" && return 1
-
-  for path in "/disk" "/disk1" "/dev/disk1" "${DEVICE:-}"; do
-    if [ -n "$path" ] && [ -b "$path" ]; then
-      printf '%s\n' "$path"
-      return 0
-    fi
-  done
-
-  for path in "$STORAGE/$name.img" "$STORAGE/$name.qcow2"; do
-    if [ -s "$path" ]; then
-      printf '%s\n' "$path"
-      return 0
-    fi
-  done
-
-  return 1
-}
-
-hasDisk() {
-
-  getDisk >/dev/null
-  return $?
-
-}
-
-hasData() {
-
-  local path
-  local rc=0 tmp=""
-  local bytes=102400
-
-  path=$(getDisk) || return 1
-  local source="$path"
-
-  if [[ "${path,,}" == *.qcow2 ]]; then
-
-    tmp=$(mktemp) || {
-      warn "failed to create a temporary file while inspecting \"$path\"."
-      return 0
-    }
-
-    if ! qemu-img dd -f qcow2 -O raw bs="$bytes" count=1 \
-        "if=$path" "of=$tmp" >/dev/null 2>&1; then
-      rm -f "$tmp"
-      warn "failed to inspect disk \"$path\", assuming it contains data."
-      return 0
-    fi
-
-    source="$tmp"
-
-  fi
-
-  cmp -s -n "$bytes" "$source" /dev/zero || rc=$?
-  [ -n "$tmp" ] && rm -f "$tmp"
-
-  case "$rc" in
-    0) return 1 ;;
-    1) return 0 ;;
-  esac
-
-  warn "failed to inspect disk \"$path\", assuming it contains data."
-  return 0
-}
-
 getCountry() {
 
   local url=$1