[types] Do auth key final cleanup

[jolestar]

stdlibv5 升级后，block_metadata 中的 auth_key 不再起作用，这次 pr 做最后的清理，miner service 不再判断 miner account 是否在链上存在。

注： BlockHeader 中的该字段未直接删除是因为需要兼容历史 Block 数据，该字段以后不再使用。

[codecov]

Codecov Report

Merging #2687 (f812468) into master (007f210) will decrease coverage by 1.76%.
The diff coverage is 31.75%.

@@            Coverage Diff             @@
##           master    #2687      +/-   ##
==========================================
- Coverage   33.95%   32.19%   -1.75%     
==========================================
  Files         483      506      +23     
  Lines       40688    44039    +3351     
  Branches    17990    19583    +1593     
==========================================
+ Hits        13810    14173     +363     
- Misses      13386    15911    +2525     
- Partials    13492    13955     +463     

Flag	Coverage Δ
unittests	32.19% <31.75%> (-1.75%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
account/api/src/error.rs	0.00% <0.00%> (ø)
account/api/src/message.rs	0.00% <0.00%> (ø)
account/service/src/lib.rs	100.00% <ø> (ø)
account/src/lib.rs	100.00% <ø> (ø)
chain/api/src/errors.rs	39.14% <ø> (ø)
chain/api/src/message.rs	0.00% <ø> (ø)
chain/service/src/lib.rs	100.00% <ø> (ø)
chain/src/chain.rs	30.99% <ø> (-7.26%)	⬇️
chain/src/lib.rs	100.00% <ø> (ø)
cmd/generator/src/lib.rs	100.00% <ø> (ø)
... and 366 more

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[github-actions]

Benchmark for 64dc998

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
accumulator_append	2.9±0.14ms	3.0±0.10ms	-3.33%
block_apply/block_apply_10	546.0±11.00ms	530.2±13.24ms	+2.98%
block_apply/block_apply_1000	56.0±0.76s	55.6±1.32s	+0.72%
get_with_proof/db_store	38.7±0.75µs	38.6±0.35µs	+0.26%
get_with_proof/mem_store	31.5±0.33µs	31.6±0.20µs	-0.32%
put_and_commit/db_store/1	1973.9±85.39µs	2.0±0.11ms	-1.30%
put_and_commit/db_store/10	3.0±0.24ms	3.1±0.20ms	-3.23%
put_and_commit/db_store/100	10.1±0.99ms	10.2±0.97ms	-0.98%
put_and_commit/db_store/5	4.2±2.82ms	2.6±0.14ms	+61.54%
put_and_commit/db_store/50	6.3±0.71ms	6.2±0.73ms	+1.61%
put_and_commit/mem_store/1	63.0±5.54µs	63.4±5.50µs	-0.63%
put_and_commit/mem_store/10	585.5±46.20µs	585.9±45.23µs	-0.07%
put_and_commit/mem_store/100	5.7±0.81ms	5.7±0.95ms	0.00%
put_and_commit/mem_store/5	295.9±24.48µs	298.0±27.91µs	-0.70%
put_and_commit/mem_store/50	2.9±0.18ms	2.9±0.18ms	0.00%
query_block/query_block_in(10)_times(100)	2.9±0.06ms	2.9±0.07ms	0.00%
query_block/query_block_in(10)_times(1000)	29.3±0.58ms	29.3±0.80ms	0.00%
query_block/query_block_in(10)_times(10000)	293.3±3.81ms	292.9±4.86ms	+0.14%
query_block/query_block_in(1000)_times(100)	912.0±5.08µs	927.7±5.28µs	-1.69%
query_block/query_block_in(1000)_times(1000)	9.1±0.05ms	9.3±0.04ms	-2.15%
query_block/query_block_in(1000)_times(10000)	91.5±0.33ms	93.6±0.59ms	-2.24%
storage_transaction	74.3±3.56ms	80.6±4.89ms	-7.82%
vm/transaction_execution/1	326.7±0.61ms	326.0±0.98ms	+0.21%
vm/transaction_execution/10	106.4±0.26ms	106.2±0.32ms	+0.19%
vm/transaction_execution/20	99.5±0.29ms	100.7±3.25ms	-1.19%
vm/transaction_execution/5	128.4±0.23ms	128.4±0.36ms	0.00%
vm/transaction_execution/50	114.3±0.30ms	114.4±1.48ms	-0.09%