Add comment about node process stdout

nodejs-assets/nodejs-project/main.js

@@ -1,5 +1,6 @@
+// too see stdout / stderr from this process, run
+// adb logcat | grep "NODEJS-MOBILE"
 const rnBridge = require('rn-bridge')
-try {
 const bcryptjs = require('bcryptjs')
 
 rnBridge.channel.on('message', (msg) => {
@@ -12,6 +13,3 @@ try {
     }))
   }
 })
-} catch (err) {
-  rnBridge.channel.send(JSON.stringify(err.message))
-}