Remove empty newlines in #include blocks.

This makes clang-format useful on those.

Also add a bunch of forgotten transitive includes, which otherwise
prevented compilation.

src/citra_qt/game_list.cpp

@@ -2,19 +2,16 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "game_list.h"
 #include <QHeaderView>
 #include <QThreadPool>
 #include <QVBoxLayout>
-
-#include "game_list.h"
-#include "game_list_p.h"
-#include "ui_settings.h"
-
-#include "core/loader/loader.h"
-
 #include "common/common_paths.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
+#include "core/loader/loader.h"
+#include "game_list_p.h"
+#include "ui_settings.h"
 
 GameList::GameList(QWidget* parent) {
     QVBoxLayout* layout = new QVBoxLayout;