* encode the candidate statement as only the hash
* refactor CandidateReceipt and CollationInfo
* introduce an abridged candidate receipt type
* erasure coding stores candidate receipt
* store omitted data instead and introduce AvailableData type
* refactor availability-store schema
* tweak schema and APIs a bit more
* get availability-store tests passing
* accept AbridgedCandidateReceipt in `set_heads`
* change statement type in primitives to be hash-only
* fix parachains runtime tests
* fix bad merge
* rewrite validation pipeline
* remove evaluation module
* use abridged candidate hash as canonical
* statement table uses abridged candidate receipts
* kill availability_store::Data struct
* port shared table to new validation pipelines
* extract full validation pipeline to helper
* remove old validation pipeline from collation module
* polkadot-validation compiles
* polkadot-validation tests compile
* make local collation available in validation service
* port legacy network code
* polkadot-network fully ported
* network: ensure fresh statement is propagated
* remove pov_block_hash from LocalValidationData
* remove candidate_hash field from AttestedCandidate and update runtime
* port runtimes to new ParachainHost definition
* port over polkadot-collator
* fix test compilation
* better fix
* remove unrelated validation work dispatch fix
* address grumbles
* fix equality check