[data-export] fix : Remove client id from data export

[tprouvot]

Describe your changes

Entering consumer key from data export was failing since the sf host was null.
Removing the input and keep the normal process on Option page.

Issue ticket number and link

#338

Checklist before requesting a review

• I have read and understand the Contributions section
• Target branch is releaseCandidate and not master
• I have performed a self-review of my code
• I ran the unit tests and my PR does not break any tests
• I documented the changes I've made on the CHANGES.md and followed actual conventions
• I added a new section on how-to.md (optional)