[calendar] hide calendar settings until implemented (#5252)

## Context
Those settings are not implemented yet, we would like to move them to a
different page as well.
In the meantime, we are hiding them since we plan to launch calendar in
the next release and this won't be implemented before.

We will implement it in this
https://github.com/twentyhq/twenty/issues/5140

packages/twenty-front/src/pages/settings/accounts/SettingsAccountsCalendars.tsx

@@ -24,6 +24,7 @@ import {
 } from '~/generated-metadata/graphql';
 
 export const SettingsAccountsCalendars = () => {
+  const calendarSettingsEnabled = false;
   const currentWorkspaceMember = useRecoilValue(currentWorkspaceMemberState);
   const { records: accounts } = useFindManyRecords<ConnectedAccount>({
     objectNameSingular: CoreObjectNameSingular.ConnectedAccount,
@@ -101,7 +102,7 @@ export const SettingsAccountsCalendars = () => {
           />
           <SettingsAccountsCalendarChannelsListCard />
         </Section>
-        {!!calendarChannels.length && (
+        {!!calendarChannels.length && calendarSettingsEnabled && (
           <>
             <Section>
               <H2Title