Fix mempool delete confirm tx

[godeamon]

Description

回滚区块时，mempool 删除交易需要从 confirmed 列表中也删除。 Fixes # (issue)

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

[codecov-commenter]

Codecov Report

Merging #247 (a4c4ba0) into master (f3461a4) will decrease coverage by 0.11%. The diff coverage is 33.33%.

@@            Coverage Diff             @@
##           master     #247      +/-   ##
==========================================
- Coverage   46.74%   46.63%   -0.12%     
==========================================
  Files         136      136              
  Lines       12028    12036       +8     
==========================================
- Hits         5623     5613      -10     
- Misses       5248     5263      +15     
- Partials     1157     1160       +3     

Impacted Files	Coverage Δ
bcs/ledger/xledger/state/state.go	47.41% <0.00%> (-0.26%)	:arrow_down:
bcs/ledger/xledger/tx/mempool.go	31.35% <33.33%> (+0.15%)	:arrow_up:
bcs/ledger/xledger/tx/tx.go	39.10% <50.00%> (-0.26%)	:arrow_down:
bcs/consensus/xpoa/xpoa.go	53.76% <0.00%> (-2.16%)	:arrow_down:
bcs/consensus/tdpos/tdpos.go	48.30% <0.00%> (-0.97%)	:arrow_down:
bcs/consensus/tdpos/schedule.go	47.70% <0.00%> (-0.92%)	:arrow_down:
kernel/consensus/base/driver/chained-bft/smr.go	41.87% <0.00%> (-0.83%)	:arrow_down:

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