Remove R_low requirement when forecasting overwash

Some runup parameterizations only give R_high, but not R_low. In these cases, let's just classify the profile as overwash if R_high > D_high.

src/analysis/forecasted_storm_impacts.py

@@ -64,8 +64,7 @@ def storm_regime(df_forecasted_impacts):
         df_forecasted_impacts.dune_toe_z <= df_forecasted_impacts.R_high, "storm_regime"
     ] = "collision"
     df_forecasted_impacts.loc[
-        (df_forecasted_impacts.dune_crest_z <= df_forecasted_impacts.R_high)
+        (df_forecasted_impacts.dune_crest_z <= df_forecasted_impacts.R_high),
-        & (df_forecasted_impacts.R_low <= df_forecasted_impacts.dune_crest_z),
         "storm_regime",
     ] = "overwash"
     df_forecasted_impacts.loc[