[FEATURE] Remove the `apply to be a speaker` button in Online edition

[ashmit-coder]

Why do we need this improvement?

The CFP for online edition has ended.

How will this change help?

Update the site.

Screenshots

How could it be implemented/designed?

By taking refrences how its done on other conference pages.

🚧 Breaking changes

No

👀 Have you checked for similar open issues?

• I checked and didn't find a similar issue

🏢 Have you read the Contributing Guidelines?

• I have read the Contributing Guidelines

Are you willing to work on this issue?

No, someone else can work on it.

[ashmit-coder]

/gfi js