build: Exclude EVMC from all

[chfast]

Build only the parts of EVMC we depend on.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 34.47%. Comparing base (e651019) to head (0772020).

:exclamation: There is a different number of reports uploaded between BASE (e651019) and HEAD (0772020). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (e651019)	HEAD (0772020)
evmone-unittests	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #1374       +/-   ##
===========================================
- Coverage   81.47%   34.47%   -47.00%     
===========================================
  Files         152      152               
  Lines       13411    13411               
  Branches     3213     3213               
===========================================
- Hits        10926     4623     -6303     
- Misses        340     8606     +8266     
+ Partials     2145      182     -1963     

Flag	Coverage Δ
eest-develop	88.77% <ø> (ø)
eest-develop-gmp	22.46% <ø> (ø)
eest-legacy	15.51% <ø> (ø)
eest-legacy-silkpre	24.73% <ø> (ø)
evmone-unittests	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
core	85.23% <ø> (-9.07%)	:arrow_down:
tooling	45.37% <ø> (-36.79%)	:arrow_down:
tests	0.00% <ø> (-73.15%)	:arrow_down:
see 106 files with indirect coverage changes

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