Move SLOTS_PER_SEGMENT to genesis (#4992)

automerge

client/src/rpc_request.rs

@@ -17,6 +17,7 @@ pub enum RpcRequest {
     GetEpochVoteAccounts,
     GetStorageBlockhash,
     GetStorageSlot,
+    GetSlotsPerSegment,
     GetStoragePubkeysForSlot,
     GetTransactionCount,
     RegisterNode,
@@ -45,6 +46,7 @@ impl RpcRequest {
             RpcRequest::GetEpochVoteAccounts => "getEpochVoteAccounts",
             RpcRequest::GetStorageBlockhash => "getStorageBlockhash",
             RpcRequest::GetStorageSlot => "getStorageSlot",
+            RpcRequest::GetSlotsPerSegment => "getSlotsPerSegment",
             RpcRequest::GetStoragePubkeysForSlot => "getStoragePubkeysForSlot",
             RpcRequest::GetTransactionCount => "getTransactionCount",
             RpcRequest::RegisterNode => "registerNode",