Remove /A flag from post-install

cmaglie · cmaglie · commit 0cbc68f11900 · 2017-04-28T11:59:10.000+02:00
The flag means "install everything or nothing", not really useful
in our case.
diff --git a/post_install.bat b/post_install.bat
@@ -1,5 +1,5 @@
 @echo off
-set ARGS=/A /SE /SW /SA
+set ARGS=/SE /SW /SA
 if "%PROCESSOR_ARCHITECTURE%" == "AMD64" (
   drivers\dpinst-amd64.exe %ARGS%
 ) ELSE IF "%PROCESSOR_ARCHITEW6432%" == "AMD64" (
