Revert "[lldb] A start at cleaning up zero byte files that should have been removed"

This reverts commit 3223936dc512c9f4f87a230a4d2931e37186ca22.

Commited by accident while mixed in with another commit.

GitOrigin-RevId: 2fd66e6eb659701b9d4c88708d55d5854a246815
diff --git a/include/polly/CodeGen/CodegenCleanup.h b/include/polly/CodeGen/CodegenCleanup.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/include/polly/CodeGen/CodegenCleanup.h