chore(protocol): rename V1TaikoL2 to TaikoL2 to better match TaikoL1

[dantaik]

No description provided.

[dionysuzx]

Looks like a merge conflict? @dantaik

[codecov]

Codecov Report

Merging #389 (9872edf) into main (2808b56) will decrease coverage by 0.07%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #389      +/-   ##
==========================================
- Coverage   65.37%   65.29%   -0.08%     
==========================================
  Files          95       95              
  Lines        2585     2585              
  Branches      309      309              
==========================================
- Hits         1690     1688       -2     
- Misses        827      829       +2     
  Partials       68       68              

Flag	Coverage Δ		*Carryforward flag
bridge-ui	100.00% <ø> (ø)		Carriedforward from 2808b56
protocol	59.07% <ø> (ø)		Carriedforward from 2808b56
relayer	68.15% <0.00%> (-0.20%)	⬇️
ui	100.00% <ø> (ø)		Carriedforward from 2808b56

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
packages/relayer/indexer/service.go	75.00% <0.00%> (ø)
packages/relayer/http/server.go	93.15% <0.00%> (-2.74%)	⬇️
packages/protocol/contracts/L2/TaikoL2.sol

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