Silence all productimg related warnings

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

pungi/scripts/pungi_koji.py

@@ -239,9 +239,9 @@ def main():
         sys.exit(1)
     errors, warnings = pungi.checks.validate(conf)
 
+    if not opts.quiet:
         # TODO: workaround for config files containing skip_phase = productimg
         # Remove when all config files are up to date
-    if not opts.quiet:
         if "productimg" in opts.skip_phase or "productimg" in opts.just_phase:
             print(
                 "WARNING: productimg phase has been removed, please remove it from "
@@ -253,9 +253,9 @@ def main():
                 errors.remove(err)
                 print("WARNING: %s" % err, file=sys.stderr)
 
-    if not opts.quiet:
         for warning in warnings:
             print(warning, file=sys.stderr)
+
     if errors:
         for error in errors:
             print(error, file=sys.stderr)