ci: do not hide pool deletion error
ci: do not hide pool deletion error

Print the error if any.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rook/nfs,rook/nfs,rook/nfs,rook/rook,rook/rook,rook/rook,rook/rook,rook/rook