chore: move genesis block builder to chain-spec crate. (#13427)

* chore: move genesis block builder to block builder crate.

* add missing file

* chore: move genesis block builder to sc-chain-spec

* Update client/chain-spec/src/genesis.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update test-utils/runtime/src/genesismap.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update test-utils/runtime/client/src/lib.rs

* fix warnings

* fix warnings

---------

Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/Cargo.lock

@@ -8011,12 +8011,16 @@ version = "4.0.0-dev"
 dependencies = [
  "memmap2",
  "sc-chain-spec-derive",
+ "sc-client-api",
+ "sc-executor",
  "sc-network-common",
  "sc-telemetry",
  "serde",
  "serde_json",
+ "sp-blockchain",
  "sp-core",
  "sp-runtime",
+ "sp-state-machine",
 ]
 
 [[package]]
@@ -10869,6 +10873,7 @@ dependencies = [
  "futures",
  "parity-scale-codec",
  "sc-block-builder",
+ "sc-chain-spec",
  "sc-client-api",
  "sc-consensus",
  "sp-api",