Migrate artifactory commands to jfrog-cli-artifactory

[bhanurp]

• All tests passed. If this feature is not already covered by the tests, I added new tests.
• All static analysis checks passed.
• This pull request is on the dev branch.
• I used gofmt for formatting the code before submitting the pull request.

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This pull request depends on the following PR:

• jfrog-cli-artifactory#34

[RobiNino]

Nice work!
Leaving most of my review as a comment since it involves unmodified files.

1. artifactory/commands/gradle - should be deleted.
2. artifactory/commands/testdata - should be deleted.
3. Transfer command - I think those should move too, because they belong in the Artifactory repo too, even if they will fall under another team's management. This will also help avoiding the cyclic import which is problematic. Should be moved with the relevant utils in artifactory/commands/utils (precheck, and the transfer named ones)
4. The tests directory that was migrated should also be deleted. Then, we can also delete the GitHub workflow if it is redundant.

[bhanurp]

Nice work! Leaving most of my review as a comment since it involves unmodified files.

1. artifactory/commands/gradle - should be deleted.
2. artifactory/commands/testdata - should be deleted.
3. Transfer command - I think those should move too, because they belong in the Artifactory repo too, even if they will fall under another team's management. This will also help avoiding the cyclic import which is problematic. Should be moved with the relevant utils in artifactory/commands/utils (precheck, and the transfer named ones)
4. The tests directory that was migrated should also be deleted. Then, we can also delete the GitHub workflow if it is redundant.

artifactory/commands/gradle - deleted
tests directory I didnt remove since transfer commands are left over but I have query on that
how is tests/jfrogclicore_test.go helping over go test ./...

[RobiNino]

It provides as a wrapping to all unit tests, so we can set a temporary jfrog home directory and set a logger. Let's currently leave this file as long as there are unit tests in this repository.
Look at it again, the tests workflow might still be required, maybe just modified.

[RobiNino]

small comment, otherwise LGTM!

[github-actions]

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