Remove meeting feature

Drop meetings and meeting_attendees tables, remove all meeting-related
code across GraphQL, MCP, CLI, N8N, webhooks, frontend, and e2e tests.

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/membership_profile.go

@@ -718,122 +718,6 @@ WHERE
 	return count, nil
 }
 
-func (p *MembershipProfiles) LoadByMeetingID(
-	ctx context.Context,
-	conn pg.Querier,
-	scope Scoper,
-	meetingID gid.GID,
-) error {
-	q := `
-WITH attendees AS (
-    SELECT
-        p.id,
-        p.tenant_id,
-        p.identity_id,
-        p.organization_id,
-        i.email_address,
-        p.source,
-        p.state,
-        p.full_name,
-        p.kind,
-        p.additional_email_addresses,
-        p.position,
-        p.contract_start_date,
-        p.contract_end_date,
-        p.user_name,
-        p.external_id,
-        p.nickname,
-        p.locale,
-        p.timezone,
-        p.profile_url,
-        p.preferred_language,
-        p.given_name,
-        p.family_name,
-        p.formatted_name,
-        p.middle_name,
-        p.honorific_prefix,
-        p.honorific_suffix,
-        p.employee_number,
-        p.department,
-        p.cost_center,
-        p.enterprise_organization,
-        p.division,
-        p.manager_value,
-        p.created_at,
-        p.updated_at,
-        ma.created_at AS attendee_created_at
-    FROM
-        iam_membership_profiles p
-    INNER JOIN identities i
-        ON i.id = p.identity_id
-    INNER JOIN
-        meeting_attendees ma ON p.id = ma.attendee_profile_id
-    WHERE
-        ma.meeting_id = @meeting_id
-)
-SELECT
-    id,
-    identity_id,
-    organization_id,
-    kind,
-    email_address,
-    source,
-    state,
-    full_name,
-    additional_email_addresses,
-    position,
-    contract_start_date,
-    contract_end_date,
-    '' AS organization_name,
-    user_name,
-    external_id,
-    nickname,
-    locale,
-    timezone,
-    profile_url,
-    preferred_language,
-    given_name,
-    family_name,
-    formatted_name,
-    middle_name,
-    honorific_prefix,
-    honorific_suffix,
-    employee_number,
-    department,
-    cost_center,
-    enterprise_organization,
-    division,
-    manager_value,
-    created_at,
-    updated_at
-FROM
-    attendees
-WHERE
-    %s
-ORDER BY
-    attendee_created_at ASC
-`
-
-	q = fmt.Sprintf(q, scope.SQLFragment())
-
-	args := pgx.NamedArgs{"meeting_id": meetingID}
-	maps.Copy(args, scope.SQLArguments())
-
-	rows, err := conn.Query(ctx, q, args)
-	if err != nil {
-		return fmt.Errorf("cannot query profiles: %w", err)
-	}
-
-	profiles, err := pgx.CollectRows(rows, pgx.RowToAddrOfStructByName[MembershipProfile])
-	if err != nil {
-		return fmt.Errorf("cannot collect profiles: %w", err)
-	}
-
-	*p = profiles
-
-	return nil
-}
-
 func (p *MembershipProfiles) LoadAwaitingSigning(
 	ctx context.Context,
 	conn pg.Querier,