Disable screencast for now

test/taiko/ptf-demo/ptf-demo.js

-const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link, press, image, waitFor, closeBrowser, screenshot, screencast } = require('taiko');
+const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link, press, image, waitFor, closeBrowser, screenshot } = require('taiko');
 
 (async () => {
   try {
@@ -14,7 +14,7 @@ const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link,
 
     console.log('• Login to admin panel')
     await openBrowser()
-    await screencast.startScreencast('output.gif')
+    // await screencast.startScreencast('output.gif')
 
     await goto(adminpanelUrl)
     await click('Login')
@@ -97,10 +97,10 @@ const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link,
     await waitFor(20000)
   } catch (error) {
     await screenshot()
-    await screencast.stopScreencast()
+    // await screencast.stopScreencast()
     console.error(error)
   } finally {
-    await screencast.stopScreencast()
+    // await screencast.stopScreencast()
     await closeBrowser()
   }
 })()