Remove snack links from 8.x docs

Author: satya164

src/components/Pre.js

@@ -103,8 +103,10 @@ export default function Pre({
     );
   }
 
+  const version = activeVersion?.name;
+
   // Handle snack demos
-  if (snack) {
+  if (snack && versions[version] != null) {
     const code = child.props.children;
 
     if (typeof code !== 'string') {
@@ -131,12 +133,6 @@ export default function Pre({
         )
       : {};
 
-    const version = activeVersion?.name;
-
-    if (version == null || versions[version] == null) {
-      throw new Error(`Invalid version: ${version}`);
-    }
-
     Object.assign(
       dependencies,
       Object.entries(versions[version]).reduce((acc, [key, value]) => {

src/plugins/react-navigation-versions.mjs

@@ -34,22 +34,6 @@ export default function reactNavigationVersionsPlugin(context, options) {
     name: 'react-navigation-versions',
     async contentLoaded({ content, actions }) {
       const queries = {
-        '8.x': {
-          tag: 'next',
-          packages: [
-            '@react-navigation/bottom-tabs',
-            '@react-navigation/core',
-            '@react-navigation/drawer',
-            '@react-navigation/elements',
-            '@react-navigation/material-top-tabs',
-            '@react-navigation/native-stack',
-            '@react-navigation/native',
-            '@react-navigation/routers',
-            '@react-navigation/stack',
-            'react-native-drawer-layout',
-            'react-native-tab-view',
-          ],
-        },
         '7.x': {
           tag: 'latest',
           packages: [