feat: Refactor download code

src/install.sh

@@ -209,68 +209,6 @@ detectCustom() {
   return 0
 }
 
-downloadImage() {
-
-  local iso="$1"
-  local version="$2"
-  local tried="n"
-  local url sum size base desc
-
-  if [[ "${version,,}" == "http"* ]]; then
-    base=$(basename "$iso")
-    desc=$(fromFile "$base")
-    downloadFile "$iso" "$version" "" "" "$desc" && return 0
-    return 1
-  fi
-
-  if ! validVersion "$version"; then
-    error "Invalid VERSION specified, value \"$version\" is not recognized!" && return 1
-  fi
-
-  desc=$(printVersion "$version" "")
-
-  if isMido "$version"; then
-    tried="y"
-    doMido "$iso" "$version" "$desc" && return 0
-  fi
-
-  switchEdition "$version"
-
-  if isESD "$version"; then
-
-    if [[ "$tried" != "n" ]]; then
-      info "Failed to download $desc using Mido, will try a diferent method now..."
-    fi
-
-    tried="y"
-
-    if getESD "$TMP/esd" "$version"; then
-      ISO="${ISO%.*}.esd"
-      downloadFile "$ISO" "$ESD" "$ESD_SUM" "$ESD_SIZE" "$desc" && return 0
-      ISO="$iso"
-    fi
-
-  fi
-
-  for ((i=1;i<=MIRRORS;i++)); do
-
-    url=$(getLink "$i" "$version")
-
-    if [ -n "$url" ]; then
-      if [[ "$tried" != "n" ]]; then
-        info "Failed to download $desc, will try another mirror now..."
-      fi
-      tried="y"
-      size=$(getSize "$i" "$version")
-      sum=$(getHash "$i" "$version")
-      downloadFile "$iso" "$url" "$sum" "$size" "$desc" && return 0
-    fi
-
-  done
-
-  return 1
-}
-
 removeDownload() {
 
   local iso="$1"