Revert "Fix memory leak in Offloading API" (#161465)

Reverts #161430

Author: ronlieb

llvm/lib/Object/OffloadBundle.cpp

@@ -120,15 +120,14 @@ OffloadBundleFatBin::create(MemoryBufferRef Buf, uint64_t SectionOffset,
   if (identify_magic(Buf.getBuffer()) != file_magic::offload_bundle)
     return errorCodeToError(object_error::parse_failed);
 
-  std::unique_ptr<OffloadBundleFatBin> TheBundle(
-      new OffloadBundleFatBin(Buf, FileName));
+  OffloadBundleFatBin *TheBundle = new OffloadBundleFatBin(Buf, FileName);
 
   // Read the Bundle Entries
   Error Err = TheBundle->readEntries(Buf.getBuffer(), SectionOffset);
   if (Err)
     return Err;
 
-  return TheBundle;
+  return std::unique_ptr<OffloadBundleFatBin>(TheBundle);
 }
 
 Error OffloadBundleFatBin::extractBundle(const ObjectFile &Source) {