build: remove paths to outdated artifacts in makefile clean

[zimeg]

Summary

This PR removes references to outdated build artifacts and confusing comments from outputs of make commands.

Preview

  $ make build
  golangci-lint run
  0 issues.
- rm -f ./slack
- rm -f ./slack-cli
- rm -f ./hermes
  rm -rf ./bin/
  rm -rf ./dist/
  mkdir bin/
- # set version using the latest tag plus short revision
  go build -ldflags="-X 'github.com/slackapi/slack-cli/internal/pkg/version.Version=`git describe --tags --match 'v*.*.*'`'" -o bin/slack
  SLACK_DISABLE_TELEMETRY="true" ./bin/slack version --skip-update
  Using slack v3.0.5-6-g7656d42

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[zimeg]

📝 Methods to some of the madness, for the most kind reviewers!

[zimeg]

🤔 I understand how this is useful, but in outputs it might be confused as a TODO

Some notation exists to "stub" commands in a Makefile but I opted to delete this one instead for now 🪓

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.90%. Comparing base (b91c571) to head (ca20486).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #59   +/-   ##
=======================================
  Coverage   62.89%   62.90%           
=======================================
  Files         210      210           
  Lines       22156    22156           
=======================================
+ Hits        13936    13937    +1     
- Misses       7132     7133    +1     
+ Partials     1088     1086    -2     

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[mwbrooks]

✅ Love this change and I'm glad to see that we're taking the time to clean up the past iterations of the project!

[zimeg]

@mwbrooks The iterations have been so fun to follow but I am glad we are now moving towards the latest 🌚