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

bizinikiwi/client/authority-discovery/src/lib.rs

@@ -108,7 +108,7 @@ impl Default for WorkerConfig {
 			// interval on which to trigger new queries for the current and next authorities is a
 			// trade off between efficiency and performance.
 			//
-			// Querying 700 [`AuthorityId`]s takes ~8m on the Kusama DHT (16th Nov 2020) when
+			// Querying 700 [`AuthorityId`]s takes ~8m on the Dicle DHT (16th Nov 2020) when
 			// comparing `authority_discovery_authority_addresses_requested_total` and
 			// `authority_discovery_dht_event_received`.
 			max_query_interval: Duration::from_secs(10 * 60),