Remove active channel cleanup function

- reverts active channel functionality back to how it was previously, making the default channel simply a sync fallback and removing all complexity and confusion

ui/component/router/index.js

@@ -6,7 +6,7 @@ import { selectClientSetting, selectHomepageData, selectWildWestDisabled } from
 import Router from './view';
 import { normalizeURI } from 'util/lbryURI';
 import { selectTitleForUri } from 'redux/selectors/claims';
-import { doSetHasNavigated, doSetActiveChannel } from 'redux/actions/app';
+import { doSetHasNavigated } from 'redux/actions/app';
 import { doUserSetReferrer } from 'redux/actions/user';
 import { selectHasUnclaimedRefereeReward } from 'redux/selectors/rewards';
 import { selectUnseenNotificationCount } from 'redux/selectors/notifications';
@@ -46,7 +46,6 @@ const select = (state) => {
 const perform = {
   setHasNavigated: doSetHasNavigated,
   setReferrer: doUserSetReferrer,
-  doSetActiveChannel,
 };
 
 export default connect(select, perform)(Router);

ui/component/router/view.jsx

@@ -142,7 +142,6 @@ type Props = {
   unseenCount: number,
   hideTitleNotificationCount: boolean,
   hasDefaultChannel: boolean,
-  doSetActiveChannel: (claimId: ?string, override?: boolean) => void,
 };
 
 type PrivateRouteProps = Props & {
@@ -185,7 +184,6 @@ function AppRouter(props: Props) {
     unseenCount,
     hideTitleNotificationCount,
     hasDefaultChannel,
-    doSetActiveChannel,
   } = props;
 
   const defaultChannelRef = React.useRef(hasDefaultChannel);
@@ -285,16 +283,6 @@ function AppRouter(props: Props) {
     defaultChannelRef.current = hasDefaultChannel;
   }, [hasDefaultChannel]);
 
-  React.useEffect(() => {
-    return () => {
-      // has a default channel selected, clear the current active channel
-      if (defaultChannelRef.current) {
-        doSetActiveChannel(null, true);
-      }
-    };
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [pathname]);
-
   // react-router doesn't decode pathanmes before doing the route matching check
   // We have to redirect here because if we redirect on the server, it might get encoded again
   // in the browser causing a redirect loop