remove self hosted expansion flag in favor of grouping hosted expansion with hosted purhcase and it's flag.

webapp/channels/src/components/admin_console/license_settings/enterprise_edition/enterprise_edition_left_panel.test.tsx

@@ -69,7 +69,7 @@ describe('components/admin_console/license_settings/enterprise_edition/enterpris
             admin: {
                 config: {
                     ServiceSettings: {
-                        SelfHostedExpansion: true,
+                        SelfHostedPurchase: true,
                     },
                 },
             },

webapp/channels/src/components/admin_console/license_settings/enterprise_edition/enterprise_edition_left_panel.tsx

@@ -59,13 +59,13 @@ const EnterpriseEditionLeftPanel = ({
     const canExpand = useCanSelfHostedExpand();
     const selfHostedExpansionModal = useControlSelfHostedExpansionModal({trackingLocation: 'license_settings_add_seats'});
     const expandableLink = useSelector(getExpandSeatsLink);
-    const isSelfHostedExpansionEnabled = useSelector(getConfig)?.ServiceSettings?.SelfHostedExpansion;
+    const isSelfHostedPurchaseEnabled = useSelector(getConfig)?.ServiceSettings?.SelfHostedPurchase;
 
     const query = useQuery();
     const actionQueryParam = query.get('action');
 
     useEffect(() => {
-        if (actionQueryParam === 'show_expansion_modal' && canExpand && isSelfHostedExpansionEnabled) {
+        if (actionQueryParam === 'show_expansion_modal' && canExpand && isSelfHostedPurchaseEnabled) {
             selfHostedExpansionModal.open();
             query.set('action', '');
         }
@@ -100,7 +100,7 @@ const EnterpriseEditionLeftPanel = ({
     );
 
     const handleClickAddSeats = () => {
-        if (!isSelfHostedExpansionEnabled || !canExpand) {
+        if (!isSelfHostedPurchaseEnabled || !canExpand) {
             window.open(expandableLink(unsanitizedLicense.Id), '_blank');
         } else {
             selfHostedExpansionModal.open();

webapp/platform/types/src/config.ts

@@ -369,7 +369,6 @@ export type ServiceSettings = {
     EnableCustomGroups: boolean;
     SelfHostedPurchase: boolean;
     AllowSyncedDrafts: boolean;
-    SelfHostedExpansion: boolean;
 };
 
 export type TeamSettings = {