[vte] lib: Remove unused function

[Christian Persch <chpe src gnome org>]

commit 8aefb5a7d7833dd4a975f7a870283887675ca155
Author: Christian Persch <chpe src gnome org>
Date:   Mon Apr 27 20:49:04 2020 +0200

    lib: Remove unused function

 src/vtespawn.cc | 9 ---------
 1 file changed, 9 deletions(-)
---
diff --git a/src/vtespawn.cc b/src/vtespawn.cc
index c6c61ea1..cdedf0ac 100644
--- a/src/vtespawn.cc
+++ b/src/vtespawn.cc
@@ -72,15 +72,6 @@ _vte_write_err (int fd,
         write_all(fd, data, sizeof(data));
 }
 
-G_GNUC_UNUSED static int
-close_func (void *data, int fd)
-{
-  if (fd >= GPOINTER_TO_INT (data))
-    (void) close (fd);
-
-  return 0;
-}
-
 /* Based on execvp from GNU C Library */
 
 static void