Reverted silliness in Preprocess.cmd .

ReFreezed · ReFreezed · commit 77cae03c9224 · 2021-05-14T19:21:36.000+02:00
diff --git a/Preprocess.cmd b/Preprocess.cmd
@@ -1,2 +1 @@
 @lua "%~dp0preprocess-cl.lua" %*
-@EXIT /B %ERRORLEVEL%
