[Crypto] unplug relic from the crypto package and the rest of flow-go

[tarakby]

Remove everything related to Relic in both the flow-go/crypto package and the rest of the flow-go repo:

• Flow crypto package:
  • merge relic and non-relic Go files and remove all relic tags.
  • remove Relic binary build scripts
  • remove Relic binary linking in cgo
  • update Makefile file
  • update README

-flow-go broader repo:

• remove all relic tags.
• update ci/Makefile/Docker by removing the Relic build step
• update README

[github-actions]

FVM Benchstat comparison

This branch with compared with the base branch onflow:feature/blst-based-crypto commit c94b091

The command (for i in {1..7}; do go test ./fvm ./engine/execution/computation --bench . -shuffle=on --benchmem --run ^$; done) was used.

Collapsed results for better readability

[codecov-commenter]

Codecov Report

Merging #4380 (33c5e0e) into feature/blst-based-crypto (c94b091) will decrease coverage by 6.92%.
The diff coverage is 100.00%.

@@                      Coverage Diff                      @@
##           feature/blst-based-crypto    #4380      +/-   ##
=============================================================
- Coverage                      60.62%   53.71%   -6.92%     
=============================================================
  Files                            246      857     +611     
  Lines                          22804    79948   +57144     
=============================================================
+ Hits                           13826    42943   +29117     
- Misses                          7990    33607   +25617     
- Partials                         988     3398    +2410     

Flag	Coverage Δ
unittests	53.71% <100.00%> (-6.92%)	⬇️

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

Impacted Files	Coverage Δ
cmd/bootstrap/cmd/genconfig.go	27.45% <ø> (ø)
...nsus/hotstuff/verification/combined_verifier_v2.go	52.56% <ø> (ø)
...nsus/hotstuff/verification/combined_verifier_v3.go	54.91% <ø> (ø)
...onsensus/hotstuff/verification/staking_verifier.go	68.96% <ø> (ø)
module/signature/aggregation.go	89.79% <ø> (ø)
...execution/computation/computer/result_collector.go	84.54% <100.00%> (ø)

... and 612 files with indirect coverage changes