Remove tx wasm clear-contract-admin cli

[LeoGuo621]

remove tx wasm clear-contract-admin cli

• Targeted PR against correct branch (see CONTRIBUTING.md)

• [ ] Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• [ ] Wrote tests

• [ ] Updated relevant documentation (docs/)

• [ ] Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• [ ] Reviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #3087 (0a6d577) into dev (65071f4) will increase coverage by 0.71%. The diff coverage is n/a.

:exclamation: Current head 0a6d577 differs from pull request most recent head a812696. Consider uploading reports for the commit a812696 to get more accurate results

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@@            Coverage Diff             @@
##              dev    #3087      +/-   ##
==========================================
+ Coverage   35.82%   36.54%   +0.71%     
==========================================
  Files         434      382      -52     
  Lines       45610    39979    -5631     
==========================================
- Hits        16341    14611    -1730     
+ Misses      28084    24348    -3736     
+ Partials     1185     1020     -165     

Impacted Files	Coverage Δ
x/wasm/client/cli/gov_tx.go	0.00% <ø> (ø)
x/wasm/client/cli/tx.go	17.82% <ø> (+1.53%)	:arrow_up:

... and 52 files with indirect coverage changes

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