fuzz: Remove addrdb fuzz target

src/test/fuzz/addrdb.cpp

@@ -1,23 +0,0 @@
-// Copyright (c) 2020 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 <addrdb.h>
-#include <test/fuzz/FuzzedDataProvider.h>
-#include <test/fuzz/fuzz.h>
-#include <test/fuzz/util.h>
-
-#include <cassert>
-#include <cstdint>
-#include <optional>
-#include <string>
-#include <vector>
-
-FUZZ_TARGET(addrdb)
-{
-    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
-
-    // The point of this code is to exercise all CBanEntry constructors.
-    const CBanEntry ban_entry{fuzzed_data_provider.ConsumeIntegral<int64_t>()};
-    (void)ban_entry; // currently unused
-}