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

docs/sdk/src/reference_docs/glossary.rs

@@ -104,7 +104,7 @@
 //! #### Teyrchain
 //!
 //! Short for "parallelized chain" a teyrchain is a specialized blockchain that runs in parallel to
-//! the Relay Chain (Pezkuwi, Kusama, etc.), benefiting from the shared security and
+//! the Relay Chain (Pezkuwi, Dicle, etc.), benefiting from the shared security and
 //! interoperability features of it.
 //!
 //! **Synonyms**: AppChain