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

pezcumulus/teyrchains/runtimes/bridge-hubs/test-utils/src/test_cases/mod.rs

@@ -605,13 +605,13 @@ where
 			destination: [Teyrchain(1000)].into(),
 			xcm: Xcm(vec![
 				ReserveAssetDeposited(Assets::from(vec![Asset {
-					id: AssetId(Location::new(2, [GlobalConsensus(Kusama)])),
+					id: AssetId(Location::new(2, [GlobalConsensus(Dicle)])),
 					fun: Fungible(1000000000000),
 				}])),
 				ClearOrigin,
 				BuyExecution {
 					fees: Asset {
-						id: AssetId(Location::new(2, [GlobalConsensus(Kusama)])),
+						id: AssetId(Location::new(2, [GlobalConsensus(Dicle)])),
 						fun: Fungible(1000000000000),
 					},
 					weight_limit: Unlimited,