Use semantic headings in user settings Security (#10774)

* split SettingsSection out of SettingsTab, replace usage

* correct copyright

* use semantic headings in GeneralRoomSettingsTab

* use SettingsTab and SettingsSubsection in room settings

* fix VoipRoomSettingsTab

* use SettingsSection components in space settings

* settingssubsection text component

* use semantic headings in HelpUserSetttings tab

* use ExternalLink components for external links

* test

* strict

* lint

* semantic heading in labs settings

* semantic headings in keyboard settings tab

* semantic heading in preferencesusersettingstab

* tidying

* use new settings components in eventindexpanel

* findByTestId

* prettier

* semantic headings and style refresh for crypto settings

* e2e panel

* test cross signing panel

* strict

* more strict

* tweak

* test eventindexpanel

* strict fixes

src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx

@@ -477,10 +477,6 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
                     {historySection}
                 </SettingsSection>
             </SettingsTab>
-            // <div className="mx_SettingsTab mx_SecurityRoomSettingsTab">
-            //     <div className="mx_SettingsTab_heading">{_t("Security & Privacy")}</div>
-
-            // </div>
         );
     }
 }