Remove insights (#23952)

* removed server side

* Updated store layer

* unused import

* Updated autogenerated code template

* Updated tests

* lint fix

* unused translations

* webapp side

* Updated i18n

* lint fix:

* type fix

* Updated snapshots

* Removed insights from API specs

* updated e2e

* Updated e2e tests

* Updated e2e tests

* Removed insights tests

* Removed Insights as possible channel to load in sidebar from test

* Removed more insights tests

* More e2e fixed

* More cleanup

* Lint

* More cleanup in client4 and boards api

* More cleanup

* Fixes

* lint fix

---------

Co-authored-by: maria.nunez <maria.nunez@mattermost.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/team.go

@@ -2116,17 +2116,3 @@ func (a *App) ClearTeamMembersCache(teamID string) error {
 	}
 	return nil
 }
-
-func (a *App) GetNewTeamMembersSince(c request.CTX, teamID string, opts *model.InsightsOpts) (*model.NewTeamMembersList, int64, *model.AppError) {
-	if !a.Config().FeatureFlags.InsightsEnabled {
-		return nil, 0, model.NewAppError("GetNewTeamMembersSince", "app.insights.feature_disabled", nil, "", http.StatusNotImplemented)
-	}
-
-	showFullName := *a.Config().PrivacySettings.ShowFullName || a.SessionHasPermissionTo(*c.Session(), model.PermissionManageSystem)
-	ntms, count, err := a.Srv().Store().Team().GetNewTeamMembersSince(teamID, opts.StartUnixMilli, opts.Page*opts.PerPage, opts.PerPage, showFullName)
-	if err != nil {
-		return nil, 0, model.NewAppError("GetNewTeamMembersSince", model.NoTranslation, nil, "", http.StatusInternalServerError).Wrap(err)
-	}
-
-	return ntms, count, nil
-}