Remove node type `participant` from algorand image

[A-Harby]

Updated image to remove node type 'Participant' as it's no longer supported.

[PeterNashaat]

• Algorand version updated to latest on flist https://hub.grid.tf/petep.3bot/threefolddev-algo-3.26.0.stable.flist

[PeterNashaat]

• PR created https://github.com/threefoldtech/tf-images/pull/303

[PeterNashaat]

• Putting back to inprogress as flist changes weren't pushed in repo https://github.com/threefoldtech/tf-images/pull/303#issuecomment-2419110183

[PeterNashaat]

• Updated code, building and testing image.

[PeterNashaat]

• Flist updated https://hub.grid.tf/petep.3bot/threefolddev-algo-3.26.0.stable.flist