Back out "Fix CQS signal facebook-unused-include-check in fbcode/folly/memory [A]"

Summary:
Original commit changeset: 133976b057d3

Original Phabricator Diff: D84969596

Revert because it was false positive in the lint check that was fixed in D91323402.

Reviewed By: ilvokhin

Differential Revision: D91323752

fbshipit-source-id: 6d1120d69361ab22f284b75f455ab29b4d4bd1ff

Author: Dmitry Polukhin

folly/memory/ReentrantAllocator.cpp

@@ -16,6 +16,7 @@
 
 #include <folly/memory/ReentrantAllocator.h>
 
+#include <new>
 #include <utility>
 
 #include <folly/lang/Bits.h>