Get instruction names from instr::traits[]

[chfast]

This removes the dependency on evmc::instructions for getting instruction names for tracing and testing.

[codecov]

Codecov Report

Merging #534 (72276a4) into master (12009ab) will decrease coverage by 0.00%.
The diff coverage is 94.73%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #534      +/-   ##
==========================================
- Coverage   98.03%   98.02%   -0.01%     
==========================================
  Files          59       59              
  Lines        5703     5682      -21     
==========================================
- Hits         5591     5570      -21     
  Misses        112      112              

Flag	Coverage Δ
blockchaintests	78.38% <0.00%> (+0.40%)	⬆️
statetests	72.91% <0.00%> (+0.23%)	⬆️
unittests	91.71% <94.73%> (-0.04%)	⬇️

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Impacted Files	Coverage Δ
test/unittests/instructions_test.cpp	85.29% <0.00%> (ø)
lib/evmone/tracing.cpp	100.00% <100.00%> (ø)
test/unittests/bytecode_test.cpp	100.00% <100.00%> (ø)
test/unittests/evm_state_test.cpp	100.00% <100.00%> (ø)
test/unittests/evm_test.cpp	100.00% <100.00%> (ø)
test/unittests/tracing_test.cpp	100.00% <100.00%> (ø)
test/utils/bytecode.hpp	96.33% <100.00%> (-0.12%)	⬇️