Removing unused headers 💀

PiperOrigin-RevId: 692176268

Author: tonyliaoss

src/google/protobuf/compiler/cpp/message.cc

@@ -19,7 +19,6 @@
 #include <iterator>
 #include <limits>
 #include <memory>
-#include <new>
 #include <string>
 #include <utility>
 #include <vector>

src/google/protobuf/descriptor.h

@@ -39,11 +39,9 @@
 #include <utility>
 #include <vector>
 
-#include "google/protobuf/stubs/common.h"
 #include "absl/base/attributes.h"
 #include "absl/base/call_once.h"
 #include "absl/base/optimization.h"
-#include "absl/container/btree_map.h"
 #include "absl/container/flat_hash_map.h"
 #include "absl/functional/any_invocable.h"
 #include "absl/functional/function_ref.h"
@@ -52,7 +50,6 @@
 #include "absl/strings/str_format.h"
 #include "absl/strings/string_view.h"
 #include "absl/synchronization/mutex.h"
-#include "absl/types/optional.h"
 #include "google/protobuf/descriptor_lite.h"
 #include "google/protobuf/extension_set.h"
 #include "google/protobuf/port.h"

src/google/protobuf/dynamic_message.cc

@@ -64,7 +64,7 @@
 #include "google/protobuf/generated_message_util.h"
 #include "google/protobuf/map.h"
 #include "google/protobuf/map_field.h"
-#include "google/protobuf/map_field_inl.h"
+#include "google/protobuf/map_field_inl.h"  // IWYU pragma: keep
 #include "google/protobuf/message_lite.h"
 #include "google/protobuf/port.h"
 #include "google/protobuf/repeated_field.h"

src/google/protobuf/generated_message_reflection.h

@@ -24,7 +24,6 @@
 #include "absl/log/absl_check.h"
 #include "google/protobuf/descriptor.h"
 #include "google/protobuf/generated_enum_reflection.h"
-#include "google/protobuf/port.h"
 #include "google/protobuf/unknown_field_set.h"
 
 // Must be included last.