Remove EE-specific code from 'Discussion' models

This does not do Issue, as that's being handled in https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/8047.

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/6679.

CE MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/22687

added 8 commits

• 05bd333f - Remove EE-specific code from DiscussionNote
• b272710d - Remove EE-specific code from LegacyDiffNote
• 62c308d8 - Remove EE-specific code from MergeRequest
• 3fad9244 - Remove EE-specific code from Milestone
• 932893fb - Remove EE-specific code from Note
• a69cba94 - Remove EE-specific code from PersonalSnippet
• c4e3302f - Remove EE-specific code from ProjectSnippet
• b32c3b6c - Remove EE-specific code from SystemNoteMetadata

Compare with previous version

added 5 commits

• fa522d00 - Remove EE-specific code from Milestone
• f538ddce - Remove EE-specific code from Note
• ff222367 - Remove EE-specific code from PersonalSnippet
• b580835c - Remove EE-specific code from ProjectSnippet
• 0a767b66 - Remove EE-specific code from SystemNoteMetadata

Compare with previous version

@digitalmoksha could you review this, please?

assigned to @digitalmoksha

@smcgivern LGTM! Just the one comment...

assigned to @smcgivern

@dbalexandre could you take a look please?

assigned to @dbalexandre

Thanks, @smcgivern! Just one minor comment. Let me know what you think, and feel free to ignore.

Thanks, @smcgivern! I'll merge this as is since the comment is a personal preference

approved this merge request

resolved all discussions

merged

mentioned in commit d55c9568

mentioned in issue gitlab-org/release/tasks#515 (closed)

added devopsplan label

added Enterprise Edition label

removed Plan [DEPRECATED] label