add download

bin/download

@@ -22,11 +22,7 @@ release_file="$ASDF_DOWNLOAD_PATH/$TOOL_NAME-$ASDF_INSTALL_VERSION$ext_name"
 download_release "$ASDF_INSTALL_VERSION" "$release_file"
 
 #  Extract contents of tar.gz file into the download directory
-if [[ $ext_name == ".zip" ]]; then
-  unzip -o "$release_file" -d "$ASDF_DOWNLOAD_PATH" || fail "Could not extract $release_file"
-else
-  tar -xzf "$release_file" -C "$ASDF_DOWNLOAD_PATH" --strip-components=1 || fail "Could not extract $release_file"
-fi
+tar -xzf "$release_file" -C "$ASDF_DOWNLOAD_PATH" --strip-components=1 || fail "Could not extract $release_file"
 
 # Remove the tar.gz file since we don't need to keep it
 rm "$release_file"