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/configure_general.cpp

@@ -4,10 +4,9 @@
 
 #include "citra_qt/configure_general.h"
 #include "citra_qt/ui_settings.h"
-#include "ui_configure_general.h"
-
 #include "core/settings.h"
 #include "core/system.h"
+#include "ui_configure_general.h"
 
 ConfigureGeneral::ConfigureGeneral(QWidget* parent)
     : QWidget(parent), ui(new Ui::ConfigureGeneral) {