Remove data-backup and configuration canister

[ravi-sawlani-yral]

Description

We no longer need these canisters and these should be removed from the codebase

Tasks

• [x] #364
• [ ] #363
• [x] #365
• [x] #366
• [x] #367
• [ ] #368

[Natasha-GB]

• Discussed with Ravi
• Send cycles first explicitly to the platform orchestrator
• HOT tokens to be shared

[harshita-srivastava-yral]

• PR for subissue 1 is raised
• Aswsignment of PR is pending @adarsh-rs

[harshita-srivastava-yral]

• PR has been raised for @ravibazz to review and post that we can merge