remove retry

.drone.yml

@@ -27,19 +27,8 @@ steps:
       # ESP32 パッケージインデックスの更新と 2.0.14 のインストール
       - arduino-cli config init --overwrite
       - arduino-cli config set board_manager.additional_urls https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
-      - arduino-cli config set network.connection_timeout 300s
-      - |
-        for i in $(seq 1 5); do
-          arduino-cli core update-index && break
-          if [ "$i" = 5 ]; then exit 1; fi
-          echo "update-index retry $i failed, waiting..."; sleep 10
-        done
-      - |
-        for i in $(seq 1 5); do
-          arduino-cli core install esp32:esp32@2.0.14 && break
-          if [ "$i" = 5 ]; then exit 1; fi
-          echo "core install retry $i failed, waiting..."; sleep 10
-        done
+      - arduino-cli core update-index
+      - arduino-cli core install esp32:esp32@2.0.14
       # ライブラリのインストール
       - mkdir -p /root/Arduino/libraries
       - git clone https://github.com/pschatzmann/ESP32-A2DP.git /root/Arduino/libraries/ESP32-A2DP