message: fix: remove debug code from miner
diff: @@ -9,7 +9,7 @@ use ckb_sync::NetworkProtocol;
  use ckb_traits::ChainProvider;
  use ckb_verification::{HeaderResolverWrapper, HeaderVerifier, Verifier};
  use flatbuffers::FlatBufferBuilder;
  -use jsonrpc_core::{Error, ErrorCode, Result};
  +use jsonrpc_core::{Error, Result};
  use jsonrpc_derive::rpc;
  use jsonrpc_types::{Block, BlockTemplate};
  use log::{debug, warn};
  @@ -56,15 +56,9 @@ impl<CS: ChainStore + 'static> MinerRpc for MinerRpcImpl<CS> {
  Some(b) => Some(b.parse::<u64>().map_err(|_| Error::parse_error())?),
  None => None,
  };
  - let r = self
  - .block_assembler
  - .get_block_template(cycles_limit, bytes_limit, max_version);
  - //r.map_err(|_| Error::internal_error())
  - r.map_err(|err| Error {
  - code: ErrorCode::from(666),
  - message: format!("get_block_template: {:?}", err),
  - data: None,
  - })
  + self.block_assembler
  + .get_block_template(cycles_limit, bytes_limit, max_version)
  + .map_err(|_| Error::internal_error())
  }
  fn submit_block(&self, _work_id: String, data: Block) -> Result<Option<H256>> {
  