feat: remove bech32-cache-size

[dudong2]

Description

remove bech32-cache-size from config.toml
closes: #664

Motivation and context

How has this been tested?

Screenshots (if appropriate):

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.
• I have updated the documentation accordingly.
• I have updated API documentation client/docs/swagger-ui/swagger.yaml

[codecov]

Codecov Report

Merging #665 (fbc4faa) into main (86ccc34) will decrease coverage by 0.04%.
The diff coverage is 55.38%.

@@            Coverage Diff             @@
##             main     #665      +/-   ##
==========================================
- Coverage   60.23%   60.19%   -0.05%     
==========================================
  Files         815      817       +2     
  Lines       94895    95011     +116     
==========================================
+ Hits        57163    57193      +30     
- Misses      34255    34347      +92     
+ Partials     3477     3471       -6     

Impacted Files	Coverage Δ
server/config/config.go	44.92% <ø> (ø)
server/config/toml.go	20.00% <ø> (ø)
simapp/test_access.go	0.00% <0.00%> (ø)
x/wasm/keeper/snapshotter.go	65.51% <65.51%> (ø)
simapp/test_helpers.go	8.57% <66.66%> (+1.85%)	⬆️
simapp/app.go	87.00% <77.77%> (-0.53%)	⬇️
x/token/validation.go	69.09% <0.00%> (-18.19%)	⬇️
x/token/msgs.go	26.39% <0.00%> (-10.16%)	⬇️
x/foundation/msgs.go	34.61% <0.00%> (-0.97%)	⬇️
x/foundation/foundation.go	72.92% <0.00%> (-0.37%)	⬇️
... and 2 more

[0Tech]

Please fix a typo in the title of this PR.