refactor(x/ecocredit): clean up legacy params

[aleem1314]

Description

cleans up legacy params usage in ecocredit module

Closes: n/a

---

Author Checklist

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please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov]

Codecov Report

Merging #1476 (c9ce7e8) into main (ec9f38b) will increase coverage by 0.06%.
The diff coverage is 100.00%.

❗ Current head c9ce7e8 differs from pull request most recent head abe62c5. Consider uploading reports for the commit abe62c5 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1476      +/-   ##
==========================================
+ Coverage   78.28%   78.35%   +0.06%     
==========================================
  Files         248      248              
  Lines       18710    18630      -80     
==========================================
- Hits        14648    14597      -51     
+ Misses       3196     3181      -15     
+ Partials      866      852      -14     

Impacted Files	Coverage Δ
x/ecocredit/genesis/default.go	100.00% <ø> (ø)
x/ecocredit/server/genesis.go	47.05% <ø> (-6.79%)	⬇️
x/ecocredit/client/testsuite/query.go	99.52% <100.00%> (+<0.01%)	⬆️
x/ecocredit/client/testsuite/suite.go	96.40% <100.00%> (-0.06%)	⬇️
x/ecocredit/genesis/genesis.go	48.26% <100.00%> (+0.04%)	⬆️
x/ecocredit/module/module.go	55.31% <100.00%> (+8.46%)	⬆️
x/ecocredit/base/types/v1/params.go	13.84% <0.00%> (-29.24%)	⬇️
x/ecocredit/base/types/v1/codec.go	100.00% <0.00%> (ø)
x/ecocredit/basket/types/v1/codec.go	100.00% <0.00%> (ø)
x/ecocredit/base/types/v1/msg_send.go	94.73% <0.00%> (ø)
... and 24 more

[technicallyty]

LGTM

[ryanchristo]

LGTM