RemoveNSSP retired signals

Author: minhkhul

nssp/delphi_nssp/constants.py

@@ -15,11 +15,9 @@
     "percent_visits_covid": "pct_ed_visits_covid",
     "percent_visits_influenza": "pct_ed_visits_influenza",
     "percent_visits_rsv": "pct_ed_visits_rsv",
-    "percent_visits_combined": "pct_ed_visits_combined",
     "percent_visits_smoothed_covid": "smoothed_pct_ed_visits_covid",
     "percent_visits_smoothed_1": "smoothed_pct_ed_visits_influenza",
     "percent_visits_smoothed_rsv": "smoothed_pct_ed_visits_rsv",
-    "percent_visits_smoothed": "smoothed_pct_ed_visits_combined",
 }
 
 SIGNALS = [val for (key, val) in SIGNALS_MAP.items()]