file_sys/submission_package: Replace includes with forward declarations where applicable

src/core/file_sys/submission_package.cpp

@@ -2,9 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
+#include <cstring>
+#include <string_view>
+
 #include <fmt/ostream.h>
-#include "common/assert.h"
+
 #include "common/hex_util.h"
+#include "common/logging/log.h"
+#include "core/crypto/key_manager.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/partition_filesystem.h"

src/core/file_sys/submission_package.h

@@ -4,20 +4,23 @@
 
 #pragma once
 
-#include <array>
 #include <map>
+#include <memory>
 #include <vector>
 #include "common/common_types.h"
-#include "common/swap.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/romfs_factory.h"
 #include "core/file_sys/vfs.h"
-#include "core/loader/loader.h"
+
+namespace Loader {
+enum class ResultStatus : u16;
+}
 
 namespace FileSys {
 
+class NCA;
 class PartitionFilesystem;
 
+enum class ContentRecordType : u8;
+
 class NSP : public ReadOnlyVfsDirectory {
 public:
     explicit NSP(VirtualFile file);