[LyX/master] Remove no longer needed module import.

[Günter Milde]

commit 0db0d7f375ca232bae6b56c15d402aff17247f96
Author: Günter Milde <milde at lyx.org>
Date:   Wed Mar 4 13:40:11 2020 +0100

    Remove no longer needed module import.
---
 lib/scripts/gnuplot2pdf.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/lib/scripts/gnuplot2pdf.py b/lib/scripts/gnuplot2pdf.py
index e7246a3..33fe767 100755
--- a/lib/scripts/gnuplot2pdf.py
+++ b/lib/scripts/gnuplot2pdf.py
@@ -2,7 +2,6 @@
 
 from subprocess import Popen, PIPE
 from sys import argv, stderr, exit
-import os
 import shutil
 
 if (len(argv) != 3):