Remove obsolete ROyFit plot

frontend/app/routes.py

@@ -26,10 +26,10 @@ AHRS_PLOTS = ['yaw_calib_du*', 'pitch_calib_du*', 'roll_calib_du*']
 TRIGGER_PLOTS = [['trigger_rates'], ['trigger_rates_lin']]
 K40_PLOTS = [['intradom'], ['angular_k40rate_distribution']]
 RTTC_PLOTS = [['rttc']]
-RECO_PLOTS = [['time_residuals', 'ztplot_roy']]
+RECO_PLOTS = [['time_residuals']]
 COMPACT_PLOTS = [['dom_activity', 'dom_rates', 'pmt_rates'],
                  ['trigger_rates', 'trigger_rates_lin'],
-                 ['ztplot', 'ztplot_roy', 'triggermap']]
+                 ['ztplot', 'triggermap']]
 SN_PLOTS = [['sn_bg_histogram', 'sn_pk_history']]
 RASP_PLOTS = [['dom_rates', 'ztplot', 'triggermap'],
               [