update for Freezer

[cheng762]

freezer，将旧的历史区块数据从leveldb移动到单独的数据库中，该部分数据可以存储在较慢的磁盘中，从而优化对较新的链上数据的读写速度。

1.合并了以太坊的freezer功能，相关pr包括如下:

• #19489 core, eth, trie: bloom filter for trie node dedup during fast sync
• #19004 node, p2p/simulations: fix node.Node AccountsManager leak
• #17610 core, internal/ethapi: add and use LRU cache for receipts
• #18429 core, eth: fix database version
• #19182 core/types: fix receipt legacy decoding
• #17106 core: remove unnecessary fields in log
• #19252 ethdb: tiny API tidy-up from the database rework pr
• #19345 core, eth, les, light: avoid storing computable receipt metadata
• #19431 core: lookup txs by block number instead of block hash
• #19244 cmd, core, eth, les, node: chain freezer on top of db rework
• #19591 core/rawdb, eth/downloader: align 64bit atomic fields
• #19617 core: never delete genesis block
• #19628 core/rawdb: keep genesis in key-value store for full sync too
• #19604 core: concurrent database reinit from freezer dump
• #19676 core/rawdb: avoid O_APPEND
• #19871 cmd/geth, core/rawdb: add missing error checks
• #20195 core/rawdb: check hash before return data from ancient db
• #20403 core/rawdb: fix reinit regression caused by the hash check PR
• #20703 core/rawdb: fix table database
• #20919 core/rawdb: fix data race between Retrieve and Close
• #21010 core/rawdb: stop freezer process as part of freezer.Close() ()
• #21243 core/rawdb: Fix high memory usage in freezer
• #21220 core/rawdb: swap tailId and itemOffset for deleted items in freezer ()
• #21327 core/rawdb: print more log for ancient failure
• #19764 core: fix fast head updating logic

2. 移除无用函数ReadBlockConfirmSigns
3. 在合并freezer后退出客户端会出现奇怪的错误painc，因此部分合并#20695 eth: improve shutdown synchronization ，优化节点关闭时的逻辑