bench: Move generated data to a dedicated translation unit

src/bench/data.cpp

@@ -0,0 +1,14 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <bench/data.h>
+
+namespace benchmark {
+namespace data {
+
+#include <bench/data/block413567.raw.h>
+const std::vector<uint8_t> block413567{block413567_raw, block413567_raw + sizeof(block413567_raw) / sizeof(block413567_raw[0])};
+
+} // namespace data
+} // namespace benchmark