Update build script

windows/build_windows.py

@@ -3,25 +3,8 @@ import os
 
 os.chdir(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-fontUse = '''
-  fonts:
-    - family: font
-      fonts:
-        - asset: assets/SourceHanSansSC-Regular.otf
-'''
-
-file = open('pubspec.yaml', 'r')
-content = file.read()
-file.close()
-file = open('pubspec.yaml', 'a')
-file.write(fontUse)
-file.close()
-
 subprocess.run(["flutter", "build", "windows"], shell=True)
 
-file = open('pubspec.yaml', 'w')
-file.write(content)
-
 if os.path.exists("build/app-windows.zip"):
     os.remove("build/app-windows.zip")