Clean up unused includes (#8950)

wpiutil/src/main/native/cpp/RuntimeCheck.cpp

@@ -5,7 +5,6 @@
 #include "wpi/util/RuntimeCheck.h"
 
 #ifdef _WIN32
-#include <cstdio>
 #include <memory>
 #pragma comment(lib, "version.lib")  // for VerQueryValueW
 #include <windows.h>

wpiutil/src/main/native/include/wpi/util/jni_util.hpp

@@ -19,7 +19,6 @@
 #include "wpi/util/SmallString.hpp"
 #include "wpi/util/SmallVector.hpp"
 #include "wpi/util/StringExtras.hpp"
-#include "wpi/util/mutex.hpp"
 #include "wpi/util/print.hpp"
 #include "wpi/util/raw_ostream.hpp"
 #include "wpi/util/string.hpp"

wpiutil/src/main/native/include/wpi/util/protobuf/ProtobufCallbacks.hpp

@@ -4,13 +4,13 @@
 
 #pragma once
 
+#include <concepts>
 #include <ranges>
 #include <span>
+#include <type_traits>
 #include <utility>
 #include <vector>
 
-#include <fmt/format.h>
-
 #include "pb.h"
 #include "wpi/util/SmallVector.hpp"
 #include "wpi/util/array.hpp"