removed child_process redirection

app/src/entry.preload.ts

@@ -33,7 +33,3 @@ process.on('uncaughtException' as any, (err) => {
     Raven.captureException(err as any)
     console.error(err)
 })
-
-const childProcess = require('child_process')
-childProcess.spawn = require('electron').remote.require('child_process').spawn
-childProcess.exec = require('electron').remote.require('child_process').exec