Improve infra-run portfolio credibility

infra-run/scripts/bash/veritas/00_env.sh

@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
-set -o errexit
-set -o nounset
-set -o pipefail
+set -euo pipefail
 
 DRY_RUN=true
 TIMESTAMP="$(date +%Y%m%d_%H%M%S)"
@@ -14,7 +12,6 @@ MOUNTPOINT=""
 SIZE=""
 DISKS=""
 
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 log() {
   local level="${1:-INFO}"