avocado.plugins.vm: Fix reference to an old API

Now there's no more uncompress_zip.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

avocado/plugins/vm.py

@@ -94,8 +94,7 @@ class VMTestRunner(TestRunner):
         zip_filename = remote_log_dir + '.zip'
         zip_path_filename = os.path.join(local_log_dir, os.path.basename(zip_filename))
         self.result.vm.remote.receive_files(local_log_dir, zip_filename)
-        archive.uncompress_zip(zip_path_filename,
-                               local_log_dir)
+        archive.uncompress(zip_path_filename, local_log_dir)
         os.remove(zip_path_filename)
         self.result.tear_down()
         return failures