feat!: remove libsodium vrf library.

[Kynea0b]

Description

Remove unused shared library

• libsodium

Motivation and context

Same as this pr. Finschia/finschia#240

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes. (not needed)
• I have updated the documentation accordingly. (not needed)
• I have updated API documentation client/docs/swagger-ui/swagger.yaml (not needed)

[codecov]

Codecov Report

Merging #1099 (e0f5307) into rc/v0.48.0-rcx (c057de9) will decrease coverage by 0.01%.
Report is 2 commits behind head on rc/v0.48.0-rcx.
The diff coverage is 100.00%.

Additional details and impacted files

@@                Coverage Diff                 @@
##           rc/v0.48.0-rcx    #1099      +/-   ##
==================================================
- Coverage           69.70%   69.69%   -0.01%     
==================================================
  Files                 642      642              
  Lines               67287    67277      -10     
==================================================
- Hits                46902    46892      -10     
  Misses              18203    18203              
  Partials             2182     2182              

Files Changed	Coverage Δ
types/events.go	84.26% <ø> (ø)
x/bank/types/events.go	0.00% <ø> (ø)
x/bank/keeper/send.go	82.91% <100.00%> (-1.02%)	⬇️