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/hle/service/cfg/cfg.cpp

@@ -2,17 +2,15 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "core/hle/service/cfg/cfg.h"
 #include <algorithm>
-
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "common/swap.h"
-
 #include "core/file_sys/archive_systemsavedata.h"
 #include "core/file_sys/file_backend.h"
 #include "core/hle/result.h"
-#include "core/hle/service/cfg/cfg.h"
 #include "core/hle/service/cfg/cfg_i.h"
 #include "core/hle/service/cfg/cfg_s.h"
 #include "core/hle/service/cfg/cfg_u.h"

src/core/hle/service/cfg/cfg.h

@@ -6,7 +6,6 @@
 
 #include <array>
 #include <string>
-
 #include "common/common_types.h"
 
 union ResultCode;