Remove interop genesis service from beacon node (#14417)

* Remove interop dependencies from production binary for beacon-chain. Specifically, remove the interop genesis service.

Finding links to pebble: 
bazel query 'somepath(//cmd/beacon-chain, @com_github_cockroachdb_pebble//...)' --notool_deps

* Update INTEROP.md

* Remove interop config

* Remove ancient interop script

* Add electra support for premine genesis

* Add example of --chain-config-file, test interop instructions

* Fixes

* Add binary size reduction

* Update binary size reduction

* Fix duplicate switch case

* Move CHANGELOG entries to unreleased section

* gofmt

* fix

config/features/deprecated_flags.go

@@ -83,7 +83,16 @@ var (
 		Usage:  deprecatedUsage,
 		Hidden: true,
 	}
-
+	deprecatedInteropGenesisTimeFlag = &cli.Uint64Flag{
+		Name:   "interop-genesis-time",
+		Usage:  deprecatedUsage,
+		Hidden: true,
+	}
+	deprecatedInteropNumValidatorsFlag = &cli.Uint64Flag{
+		Name:   "interop-num-validators",
+		Usage:  deprecatedUsage,
+		Hidden: true,
+	}
 	deprecatedEnableQuic = &cli.BoolFlag{
 		Name:   "enable-quic",
 		Usage:  deprecatedUsage,
@@ -107,9 +116,12 @@ var deprecatedFlags = []cli.Flag{
 	deprecatedDisableGRPCGateway,
 	deprecatedEnableExperimentalState,
 	deprecatedEnableCommitteeAwarePacking,
+	deprecatedInteropGenesisTimeFlag,
 	deprecatedEnableQuic,
 }
 
 // deprecatedBeaconFlags contains flags that are still used by other components
 // and therefore cannot be added to deprecatedFlags
-var deprecatedBeaconFlags []cli.Flag
+var deprecatedBeaconFlags = []cli.Flag{
+	deprecatedInteropNumValidatorsFlag,
+}