Remove unused imports in .py, SCsub and SConstruct files

doc/translations/extract.py

@@ -2,7 +2,6 @@
 
 import argparse
 import os
-import re
 import shutil
 from collections import OrderedDict
 

modules/mono/build_scripts/mono_reg_utils.py

@@ -2,7 +2,6 @@ import os
 import platform
 
 if os.name == "nt":
-    import sys
     import winreg
 
 

modules/text_server_adv/SCsub

@@ -7,7 +7,6 @@ env_text_server_adv = env_modules.Clone()
 
 
 def make_icu_data(target, source, env):
-    import os
 
     dst = target[0].srcnode().abspath
 
@@ -24,7 +23,6 @@ def make_icu_data(target, source, env):
 
     f = open(source[0].srcnode().abspath, "rb")
     buf = f.read()
-    import os.path
 
     g.write('extern "C" U_EXPORT const size_t U_ICUDATA_SIZE = ' + str(len(buf)) + ";\n")
     g.write('extern "C" U_EXPORT const unsigned char U_ICUDATA_ENTRY_POINT[] = {\n')

scene/resources/default_theme/SCsub

@@ -2,8 +2,6 @@
 
 Import("env")
 
-import os
-import os.path
 from platform_methods import run_in_subprocess
 import default_theme_builders