rebrand: kusama → dicle

- Replace all kusama/Kusama references with dicle/Dicle
- Rename weight files from ksm_size to dcl_size
- Update papi-tests files from ksm to dcl
- Remove chain-specs/kusama.json files
- cargo check --workspace successful (Finished output)
- Update MAINNET_ROADMAP.md: FAZ 8 completed

pezkuwi/roadmap/implementers-guide/src/protocol-validator-disabling.md

@@ -10,7 +10,7 @@ As established in the [approval process](protocol-approval.md) dealing with bad
 
 The main system responsible for dispensing **consequences** for malicious actors is the [dispute
 system](protocol-disputes.md) which eventually dispenses slash events. The slashes itself can be dispensed quickly (a
-matter of blocks) but for an extra layer of auditing all slashes are deferred for 27 days (in Pezkuwi/Kusama) which
+matter of blocks) but for an extra layer of auditing all slashes are deferred for 27 days (in Pezkuwi/Dicle) which
 gives time for Governance to investigate and potentially alter the punishment. Dispute concluding by itself does not
 immediately remove the validator from the active validator set.