Cleanup JsonProvider and unused serializers (Consensys#8689)

Signed-off-by: Paul Harris <paul.harris@consensys.net>

data/provider/src/main/java/tech/pegasys/teku/api/SchemaObjectProvider.java

@@ -13,37 +13,27 @@
 
 package tech.pegasys.teku.api;
 
-import tech.pegasys.teku.api.schema.BLSSignature;
 import tech.pegasys.teku.api.schema.BeaconBlock;
 import tech.pegasys.teku.api.schema.BeaconBlockBody;
-import tech.pegasys.teku.api.schema.BeaconState;
-import tech.pegasys.teku.api.schema.SignedBeaconBlock;
 import tech.pegasys.teku.api.schema.altair.BeaconBlockAltair;
 import tech.pegasys.teku.api.schema.altair.BeaconBlockBodyAltair;
-import tech.pegasys.teku.api.schema.altair.BeaconStateAltair;
 import tech.pegasys.teku.api.schema.bellatrix.BeaconBlockBellatrix;
 import tech.pegasys.teku.api.schema.bellatrix.BeaconBlockBodyBellatrix;
-import tech.pegasys.teku.api.schema.bellatrix.BeaconStateBellatrix;
 import tech.pegasys.teku.api.schema.bellatrix.BlindedBeaconBlockBodyBellatrix;
 import tech.pegasys.teku.api.schema.bellatrix.BlindedBlockBellatrix;
 import tech.pegasys.teku.api.schema.capella.BeaconBlockBodyCapella;
 import tech.pegasys.teku.api.schema.capella.BeaconBlockCapella;
-import tech.pegasys.teku.api.schema.capella.BeaconStateCapella;
 import tech.pegasys.teku.api.schema.capella.BlindedBeaconBlockBodyCapella;
 import tech.pegasys.teku.api.schema.capella.BlindedBlockCapella;
 import tech.pegasys.teku.api.schema.deneb.BeaconBlockBodyDeneb;
 import tech.pegasys.teku.api.schema.deneb.BeaconBlockDeneb;
-import tech.pegasys.teku.api.schema.deneb.BeaconStateDeneb;
 import tech.pegasys.teku.api.schema.deneb.BlindedBeaconBlockBodyDeneb;
 import tech.pegasys.teku.api.schema.deneb.BlindedBlockDeneb;
 import tech.pegasys.teku.api.schema.electra.BeaconBlockBodyElectra;
 import tech.pegasys.teku.api.schema.electra.BeaconBlockElectra;
-import tech.pegasys.teku.api.schema.electra.BeaconStateElectra;
 import tech.pegasys.teku.api.schema.electra.BlindedBeaconBlockBodyElectra;
 import tech.pegasys.teku.api.schema.electra.BlindedBlockElectra;
 import tech.pegasys.teku.api.schema.phase0.BeaconBlockPhase0;
-import tech.pegasys.teku.api.schema.phase0.BeaconStatePhase0;
-import tech.pegasys.teku.infrastructure.unsigned.UInt64;
 import tech.pegasys.teku.spec.Spec;
 import tech.pegasys.teku.spec.SpecMilestone;
 
@@ -59,21 +49,6 @@ public SchemaObjectProvider(final Spec spec) {
     this.spec = spec;
   }
 
-  public SignedBeaconBlock getSignedBeaconBlock(
-      final tech.pegasys.teku.spec.datastructures.blocks.SignedBeaconBlock internalBlock) {
-
-    return new SignedBeaconBlock(
-        getBeaconBlock(internalBlock.getMessage()), new BLSSignature(internalBlock.getSignature()));
-  }
-
-  public SignedBeaconBlock getSignedBlindedBeaconBlock(
-      final tech.pegasys.teku.spec.datastructures.blocks.SignedBeaconBlock internalBlock) {
-
-    return new SignedBeaconBlock(
-        getBlindedBlock(internalBlock.getMessage()),
-        new BLSSignature(internalBlock.getSignature()));
-  }
-
   public BeaconBlock getBeaconBlock(
       final tech.pegasys.teku.spec.datastructures.blocks.BeaconBlock block) {
     return getBeaconBlock(block, spec.atSlot(block.getSlot()).getMilestone());
@@ -244,17 +219,4 @@ private BlindedBeaconBlockBodyElectra getBlindedBlockBodyElectra(
         tech.pegasys.teku.spec.datastructures.blocks.blockbody.versions.electra
             .BlindedBeaconBlockBodyElectra.required(body));
   }
-
-  public BeaconState getBeaconState(
-      final tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState state) {
-    final UInt64 slot = state.getSlot();
-    return switch (spec.atSlot(slot).getMilestone()) {
-      case PHASE0 -> new BeaconStatePhase0(state);
-      case ALTAIR -> new BeaconStateAltair(state);
-      case BELLATRIX -> new BeaconStateBellatrix(state);
-      case CAPELLA -> new BeaconStateCapella(state);
-      case DENEB -> new BeaconStateDeneb(state);
-      case ELECTRA -> new BeaconStateElectra(state);
-    };
-  }
 }

data/serializer/src/main/java/tech/pegasys/teku/api/schema/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * @deprecated As of release 2024.09.00, api.schema is not maintained any longer.
+ */
+@Deprecated
+package tech.pegasys.teku.api.schema;