Revert "Make scripts more compatible and fail fast"

This reverts commit cf8dab851f.

This affects the normal operation of the script, and debugging should be done deliberately, not to the user.

install-dat-release.sh

@@ -1,6 +1,4 @@
-#!/usr/bin/env bash
-
-set -euxo pipefail
+#!/bin/bash
 
 # This Bash script to install the latest release of geoip.dat and geosite.dat:
 

install-release.sh

@@ -1,6 +1,4 @@
-#!/usr/bin/env bash
-
-set -euxo pipefail
+#!/bin/bash
 
 # The files installed by the script conform to the Filesystem Hierarchy Standard:
 # https://wiki.linuxfoundation.org/lsb/fhs