Merge bitcoin/bitcoin#28904: Drop CAutoFile

4eb2a9ea4b streams: Drop unused CAutoFile (Anthony Towns)
cde9a4b137 refactor: switch from CAutoFile to AutoFile (Anthony Towns)
bbd4646a2e blockstorage: switch from CAutoFile to AutoFile (Anthony Towns)
c72ddf04db streams: Remove unused CAutoFile::GetVersion (Anthony Towns)
e63f643079 streams: Base BufferedFile on AutoFile instead of CAutoFile (Anthony Towns)

Pull request description:

  Continuing the move away from `GetVersion()`, replace uses of `CAutoFile` with `AutoFile`.

ACKs for top commit:
  maflcko:
    re-ACK 4eb2a9ea4b 🖼
  TheCharlatan:
    ACK 4eb2a9ea4b
  stickies-v:
    ACK 4eb2a9ea4b

Tree-SHA512: 1a68c42fdb725ca4bf573e22794fe7809fea764a5f97ecb33435add3c609d40f336038fb22ab1ea72567530efd39678278c9016f92ed04891afdb310631b4e82

src/bench/load_external.cpp

@@ -55,7 +55,7 @@ static void LoadExternalBlockFile(benchmark::Bench& bench)
     bench.run([&] {
         // "rb" is "binary, O_RDONLY", positioned to the start of the file.
         // The file will be closed by LoadExternalBlockFile().
-        CAutoFile file{fsbridge::fopen(blkfile, "rb"), CLIENT_VERSION};
+        AutoFile file{fsbridge::fopen(blkfile, "rb")};
         testing_setup->m_node.chainman->LoadExternalBlockFile(file, &pos, &blocks_with_unknown_parent);
     });
     fs::remove(blkfile);

src/bench/streams_findbyte.cpp

@@ -14,7 +14,7 @@
 static void FindByte(benchmark::Bench& bench)
 {
     // Setup
-    CAutoFile file{fsbridge::fopen("streams_tmp", "w+b"), 0};
+    AutoFile file{fsbridge::fopen("streams_tmp", "w+b")};
     const size_t file_size = 200;
     uint8_t data[file_size] = {0};
     data[file_size-1] = 1;