CLOUDP-342267: Remote datalake pipeline commands

[blva]

Proposed changes

Jira ticket: CLOUDP-342267

Breaking changes are expected - summary

 command deleted: atlas dataLakePipelines availableSchedules list
command deleted: atlas dataLakePipelines runs list
command deleted: atlas dataLakePipelines runs
command deleted: atlas dataLakePipelines delete
command deleted: atlas dataLakePipelines start
command deleted: atlas dataLakePipelines trigger
command deleted: atlas dataLakePipelines availableSnapshots
command deleted: atlas dataLakePipelines create
command deleted: atlas dataLakePipelines watch
command deleted: atlas dataLakePipelines
command deleted: atlas dataLakePipelines datasets
command deleted: atlas dataLakePipelines runs watch
command deleted: atlas dataLakePipelines pause
command deleted: atlas dataLakePipelines describe
command deleted: atlas dataLakePipelines update
command deleted: atlas dataLakePipelines list
command deleted: atlas dataLakePipelines datasets delete
command deleted: atlas dataLakePipelines availableSnapshots list
command deleted: atlas dataLakePipelines availableSchedules

Checklist

• I have signed the MongoDB CLA
• I have added tests that prove my fix is effective or that my feature works
• I have added any necessary documentation in document requirements section listed in CONTRIBUTING.md (if appropriate)
• I have addressed the @mongodb/docs-cloud-team comments (if appropriate)
• I have updated test/README.md (if an e2e test has been added)
• I have run make fmt and formatted my code

Further comments

[cveticm]

Nit: Remove flag pipeline since its no longer in use

mongodb-atlas-cli/internal/flag/flags.go

Line 278 in f880dcd

Pipeline = "pipeline" // Pipeline flag

[cveticm]

Nit: also datalake usage flags: https://github.com/mongodb/mongodb-atlas-cli/blob/master/internal/usage/usage.go#L340-L344