fix: Shell linting (#328)

Cleanup various shell linting issues
* Use `/usr/bin/env` consistently for better platform compatibility.
* SC2317 (info): Command appears to be unreachable.
* SC2002 (style): Useless cat.

Signed-off-by: SuperQ <superq@gmail.com>

ui/dev_device.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Check if an IP address was provided as an argument
 if [ -z "$1" ]; then