refactor: centralize protobuf and remove go-zero

module/ec/order/pb/blocks_compat.go

@@ -0,0 +1,10 @@
+package order
+
+import blocks "bsm/full/protobuf"
+
+type Empty = blocks.Empty
+type FetchRequest = blocks.FetchRequest
+type IdentRequest = blocks.OrderIdentRequest
+type StatusReply = blocks.OrderStatusReply
+type OrderSummaryItem = blocks.OrderSummaryItem
+type OrderDetails = blocks.OrderDetails