fix: no need to check for namespace

Author: stanley2058

src/y-socket-io/y-socket-io.js

@@ -537,16 +537,7 @@ export class YSocketIO {
             await this.client.store.persistDoc(namespace, 'index', doc)
           }
 
-          /**
-           * there's a possibility where the namespace is deleted after the
-           * persist promise resolved, so we have to check if the room still
-           * exist.
-           * @see cleanupNamespace
-           * @see cleanupNamespaceImpl
-           */
-          if (this.namespaceMap.has(namespace)) {
-            await this.client.trimRoomStream(namespace, 'index')
-          }
+          await this.client.trimRoomStream(namespace, 'index')
         } catch (e) {
           console.error(e)
         } finally {