Update shebangs

conf-sync.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$(dirname "$0")/variables.conf"
 

install.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$(dirname "$0")/variables.conf"
 

variables.conf.template

@@ -1,5 +1,3 @@
-#!/bin/bash
-
 # Copy this file as variables.conf, with the correct values
 
 sync_directory=/home/$(whoami)/.sync