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/executor/wasmtime/src/runtime.rs

@@ -296,7 +296,7 @@ fn common_config(semantics: &Semantics) -> std::result::Result<wasmtime::Config,
 			// Pooling needs a bunch of hard limits to be set; if we go over
 			// any of these then the instantiation will fail.
 			//
-			// Current minimum values for kusama (as of 2022-04-14):
+			// Current minimum values for dicle (as of 2022-04-14):
 			//   size: 32384
 			//   table_elements: 1249
 			//   memory_pages: 2070