scripts: remove unwanted require

Author: rickyes

scripts/install.js

@@ -2,8 +2,6 @@
 
 const child_process = require('child_process');
 const os = require('os');
-const fs = require('fs');
-const path = require('path');
 
 const lldb = require('./lldb');
 

scripts/windows.js

@@ -1,6 +1,5 @@
 'use strict';
 
-const child_process = require('child_process');
 const fs = require('fs');
 const path = require('path');
 const lldb = require('./lldb');