Remove old policy bindings so that setup-project is reentrant

Author: davidz627

deploy/setup-project.sh

@@ -10,10 +10,11 @@ if [ -f $SA_FILE ]; then
   rm "$SA_FILE"
 fi
 gcloud iam service-accounts delete "$IAM_NAME" --quiet || true
-# TODO: Delete ALL policy bindings
+gcloud projects remove-iam-policy-binding "${PROJECT}" --member serviceAccount:"${IAM_NAME}" --role roles/compute.admin --quiet || true
+gcloud projects remove-iam-policy-binding "${PROJECT}" --member serviceAccount:"${IAM_NAME}" --role roles/iam.serviceAccountUser --quiet || true
 
 # Create new Service Account and Keys
 gcloud iam service-accounts create "${GCEPD_SA_NAME}"
 gcloud iam service-accounts keys create "${SA_FILE}" --iam-account "${IAM_NAME}"
 gcloud projects add-iam-policy-binding "${PROJECT}" --member serviceAccount:"${IAM_NAME}" --role roles/compute.admin
-gcloud projects add-iam-policy-binding "${PROJECT}" --member serviceAccount:"${IAM_NAME}" --role roles/iam.serviceAccountUser
+gcloud projects add-iam-policy-binding "${PROJECT}" --member serviceAccount:"${IAM_NAME}" --role roles/iam.serviceAccountUser