chore: remove config for aspect-cli-legacy

[alexeagle]

We now lint using lint.axl from rules_lint.

Also aspect-gazelle has cc language compiled into the prebuild so we don't need our Orion extension for cc now.

[aspect-workflows]

Test

⚠️ Buildkite build #1120 failed.

Failed tests (1)

//.circleci:write_merged_config_test [k8-fastbuild]  🔗

💡 To reproduce the test failures, run

bazel test //.circleci:write_merged_config_test

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Buildifier      Format      Gazelle

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