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/core/loader/ncch.h

@@ -5,11 +5,9 @@
 #pragma once
 
 #include <memory>
-
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-
 #include "core/loader/loader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////