undo unrelated changes

Author: jappeace

scripts/build-webpack.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 ## Build Script
 echo 'Initiating webpack build sequence.'
 

src/html5-qrcode.ts

@@ -363,7 +363,7 @@ export class Html5Qrcode {
     ): Promise<null> {
 
         // Code will be consumed as javascript.
-       if (!cameraIdOrConfig) {
+        if (!cameraIdOrConfig) {
             throw "cameraIdOrConfig is required";
         }