change path to not include appstate

Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>

src/plugins/discover/public/migrate_state.ts

@@ -66,7 +66,7 @@ export function migrateUrlState(oldPath: string, newPath = '/'): string {
   let path = newPath;
   const pathPatterns = [
     {
-      pattern: '#/context/:indexPattern/:id?:appState?',
+      pattern: '#/context/:indexPattern/:id',
       extraState: { docView: 'context' },
       path: `context`,
     },