qemu: Don't use chroot based env variables when running spice client

We are running the Spice client installed on the host system. It doesn't
need to be run with env variables that point to chroot libraries.

pmb/qemu/run.py

@@ -298,7 +298,7 @@ def run(args):
         output = "background" if spice_enabled else "interactive"
         process = pmb.helpers.run.user(args, qemu, output=output, env=env)
         if spice:
-            pmb.helpers.run.user(args, spice, env=env)
+            pmb.helpers.run.user(args, spice)
     except KeyboardInterrupt:
         # Don't show a trace when pressing ^C
         pass