Disable xios from gungho_model

Author: sergisiso

applications/gungho_model/example/configuration.nml

@@ -167,7 +167,7 @@ nodal_output_on_w3=.false.,
 subroutine_counters=.false.,
 subroutine_timers=.true.,
 timer_output_path='timer.txt',
-use_xios_io=.true.,
+use_xios_io=.false.,
 write_conservation_diag=.false.,
 write_diag=.true.,
 write_dump=.false.,