refactor: rm preprocessor.

* Move patched content to header directly.

DeThunk/src/header_preprocessor.py

@@ -1,14 +0,0 @@
-"""
-Preprocessor for _HeaderOutputPredefine.h
-"""
-
-
-def process(path_to_file: str):
-    if path_to_file.endswith('_HeaderOutputPredefine.h'):
-        with open(path_to_file, 'r', encoding='utf-8') as file:
-            content = file.read()
-
-            content += '\n#include <winsock2.h>'
-
-            with open(path_to_file, 'w', encoding='utf-8') as wfile:
-                wfile.write(content)

DeThunk/src/header_processor.py

@@ -1,7 +1,6 @@
 import os
 import re
 
-import header_preprocessor as HeaderPreProcessor
 import header_postprocessor as HeaderPostProcessor
 
 import util.cpp_language as CppUtil
@@ -264,8 +263,6 @@ def iterate(args: Options):
         for file in files:
             if CppUtil.is_header_file(file):
                 path = os.path.join(root, file)
-                # preprocessing: execution time is before each file.
-                HeaderPreProcessor.process(path)
                 # processing: executed immediately after preprocessing is completed.
                 process(path, args)