Remove the status.PermitUncheckedError() from WriteGroup Destructor (#7555)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7555

Test Plan: ASSERT_STATUS_CHECKED=1 make -j48 error_handler_fs_test

Reviewed By: riversand963

Differential Revision: D24299387

Pulled By: zhichao-cao

fbshipit-source-id: 6c8aa91c4b6e2bc82580b8d2264c177068f5a32c

db/write_thread.h

@@ -75,7 +75,6 @@ class WriteThread {
   struct Writer;
 
   struct WriteGroup {
-    ~WriteGroup() { status.PermitUncheckedError(); }
     Writer* leader = nullptr;
     Writer* last_writer = nullptr;
     SequenceNumber last_sequence;