remove copy-serial-plotter script.

Author: francescospissu

arduino-ide-extension/package.json

@@ -9,7 +9,6 @@
     "compose-changelog": "node ./scripts/compose-changelog.js",
     "download-cli": "node ./scripts/download-cli.js",
     "download-fwuploader": "node ./scripts/download-fwuploader.js",
-    "copy-serial-plotter": "npx ncp ../node_modules/arduino-serial-plotter-webapp ./build/arduino-serial-plotter-webapp",
     "copy-i18n": "npx ncp ../i18n ./build/i18n",
     "download-ls": "node ./scripts/download-ls.js",
     "download-examples": "node ./scripts/download-examples.js",