Remove unnecessary ChromeDriver

scripts/prepare_build.sh

 . scripts/utils.sh
-wget -q https://chromedriver.storage.googleapis.com/2.30/chromedriver_linux64.zip
-unzip chromedriver_linux64.zip -d /usr/local/bin
-
 export SETUP_DB=${SETUP_DB:-true}
 export USE_BUNDLE_INSTALL=${USE_BUNDLE_INSTALL:-true}
 export BUNDLE_INSTALL_FLAGS="--without production --jobs $(nproc) --path vendor --retry 3 --quiet"