remove useless transaction local checking

[ucwong]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.90%. Comparing base (b8b5834) to head (e203a26).
Report is 34 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2222      +/-   ##
==========================================
- Coverage   46.92%   46.90%   -0.02%     
==========================================
  Files         569      570       +1     
  Lines       67869    67921      +52     
==========================================
+ Hits        31847    31861      +14     
- Misses      33609    33650      +41     
+ Partials     2413     2410       -3     

Files with missing lines	Coverage Δ
core/txpool/txpool.go	75.22% <100.00%> (ø)

... and 10 files with indirect coverage changes