事前準備
$ gcloud components update
$ brew install gnu-sed
がんばる
$ bq --project_id foo --dataset_id bar ls -a --max_results 1000 | grep TABLE > table.txt
$ gsed -i "s/\sTABLE//g" table.txt
$ cat table.txt | xargs -n 1 bq --project_id foo --dataset_id bar rm -f