bpo-40443: Remove unused imports in distutils (GH-19802)

diff --git a/Lib/distutils/msvccompiler.py b/Lib/distutils/msvccompiler.py
index d1de2fb..d5857cb 100644
--- a/Lib/distutils/msvccompiler.py
+++ b/Lib/distutils/msvccompiler.py
@@ -13,7 +13,7 @@
      DistutilsExecError, DistutilsPlatformError, \
      CompileError, LibError, LinkError
 from distutils.ccompiler import \
-     CCompiler, gen_preprocess_options, gen_lib_options
+     CCompiler, gen_lib_options
 from distutils import log
 
 _can_read_reg = False