Update outdated content

[Greenheart]

• [x] Remove survey-info as this is now published on the main webpage instead.
• [x] Update some tools
• [x] Remove outdated community information
• [x] Disable feedback commenting feature on idg.tools
• [x] Remove outdated info from the IDG.community website. Maybe unpublish it completely?
• [x] Remove the roadmap from the IDG.tools website
• [x] Simplify the IDG.tools website to remove outdated links.
• [x] Update info about hubs community (with correct number)
• [x] Update links to learn more about the IDG community