Remove the option to show non-member ("ghost") participants

As we'd like to get the multi-SFU feature branch shipped, this is not the most important debugging tool to expend effort on at the moment.

src/settings/DeveloperSettingsTab.tsx

@@ -13,7 +13,6 @@ import {
   useSetting,
   duplicateTiles as duplicateTilesSetting,
   debugTileLayout as debugTileLayoutSetting,
-  showNonMemberTiles as showNonMemberTilesSetting,
   showConnectionStats as showConnectionStatsSetting,
   useNewMembershipManager as useNewMembershipManagerSetting,
   useExperimentalToDeviceTransport as useExperimentalToDeviceTransportSetting,
@@ -35,9 +34,6 @@ export const DeveloperSettingsTab: FC<Props> = ({ client, livekitRooms }) => {
   const [debugTileLayout, setDebugTileLayout] = useSetting(
     debugTileLayoutSetting,
   );
-  const [showNonMemberTiles, setShowNonMemberTiles] = useSetting(
-    showNonMemberTilesSetting,
-  );
 
   const [showConnectionStats, setShowConnectionStats] = useSetting(
     showConnectionStatsSetting,
@@ -128,20 +124,6 @@ export const DeveloperSettingsTab: FC<Props> = ({ client, livekitRooms }) => {
           }
         />
       </FieldRow>
-      <FieldRow>
-        <InputField
-          id="showNonMemberTiles"
-          type="checkbox"
-          label={t("developer_mode.show_non_member_tiles")}
-          checked={!!showNonMemberTiles}
-          onChange={useCallback(
-            (event: ChangeEvent<HTMLInputElement>): void => {
-              setShowNonMemberTiles(event.target.checked);
-            },
-            [setShowNonMemberTiles],
-          )}
-        />
-      </FieldRow>
       <FieldRow>
         <InputField
           id="showConnectionStats"

src/settings/settings.ts

@@ -76,10 +76,6 @@ export const developerMode = new Setting("developer-settings-tab", false);
 
 export const duplicateTiles = new Setting("duplicate-tiles", 0);
 
-export const showNonMemberTiles = new Setting<boolean>(
-  "show-non-member-tiles",
-  false,
-);
 export const debugTileLayout = new Setting("debug-tile-layout", false);
 
 export const showConnectionStats = new Setting<boolean>(