C++: Remove unneeded includes

shared/cpp/BUILD.bazel

@@ -5,7 +5,6 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         "@absl//absl/strings",
-        "@binlog",
         "@fmt",
         "@json",
     ],

swift/logging/SwiftDiagnostics.h

@@ -1,19 +1,5 @@
 #pragma once
 
-#include <binlog/binlog.hpp>
-#include <string>
-#include <vector>
-#include <unordered_map>
-#include <optional>
-#include <cassert>
-#include <fstream>
-#include <filesystem>
-#include <sstream>
-#include <mutex>
-#include <fmt/format.h>
-#include <fmt/chrono.h>
-
-#include "swift/logging/Formatters.h"
 #include "shared/cpp/Diagnostics.h"
 
 namespace codeql {
@@ -29,4 +15,5 @@ constexpr Diagnostic internalError{
         "\n"
         "[1]: https://github.com/github/codeql/issues/new?labels=bug&template=ql---general.md",
     .severity = Diagnostic::Severity::warning};
+
 }  // namespace codeql

swift/logging/SwiftLogging.h

@@ -6,6 +6,11 @@
 #include <regex>
 #include <vector>
 
+#include <fmt/format.h>
+#include <fmt/chrono.h>
+
+#include "swift/logging/Formatters.h"
+
 #include <binlog/binlog.hpp>
 #include <binlog/TextOutputStream.hpp>
 #include <binlog/EventFilter.hpp>