we ship the dummy driver for Ubuntu and Debian now, so remove the har…

…dcoded DPI

git-svn-id: https://xpra.org/svn/Xpra/trunk@15013 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/scripts/config.py

@@ -72,9 +72,6 @@ def get_xorg_bin():
 
 def get_Xdummy_command(xorg_cmd="Xorg", log_dir="${XPRA_LOG_DIR}", xorg_conf="/etc/xpra/xorg.conf"):
     cmd = [xorg_cmd]    #ie: ["Xorg"] or ["xpra_Xdummy"] or ["./install/bin/xpra_Xdummy"]
-    if os.path.exists("/etc/debian_version"):
-        #no patched dummy driver for debian, so force reasonable DPI instead:
-        cmd += ["-dpi", "96"]
     cmd += [
           "-noreset",
           "-nolisten", "tcp",