undo addition of script to allow cost modifications

This undoes commit 830019a6e5.

Reason: this was introduced for the PyPSA-Ariadne derivative, but
can be handled more elegantly within the derivative repository.

rules/build_sector.smk

@@ -743,9 +743,9 @@ rule prepare_sector_network:
         else RESOURCES
         + "biomass_potentials_s{simpl}_{clusters}_{planning_horizons}.csv",
         heat_profile="data/heat_load_profile_BDEW.csv",
-        costs="data/costs_{}-modified.csv".format(config["costs"]["year"])
+        costs="data/costs_{}.csv".format(config["costs"]["year"])
         if config["foresight"] == "overnight"
-        else "data/costs_{planning_horizons}-modified.csv",
+        else "data/costs_{planning_horizons}.csv",
         profile_offwind_ac=RESOURCES + "profile_offwind-ac.nc",
         profile_offwind_dc=RESOURCES + "profile_offwind-dc.nc",
         h2_cavern=RESOURCES + "salt_cavern_potentials_s{simpl}_{clusters}.csv",

rules/retrieve.smk

@@ -259,17 +259,3 @@ if config["enable"]["retrieve"]:
             "../envs/environment.yaml"
         script:
             "../scripts/retrieve_monthly_fuel_prices.py"
-
-
-rule modify_cost_data:
-    input:
-        costs="data/costs_{year}.csv",
-    output:
-        "data/costs_{year}-modified.csv"
-    log:
-        LOGS + "modify_cost_data_{year}.log",
-    resources:
-        mem_mb=1000,
-    retries: 2
-    script:
-        "../scripts/modify_cost_data.py"

scripts/modify_cost_data.py

@@ -1,12 +0,0 @@
-
-import pandas as pd
-
-costs = pd.read_csv(snakemake.input.costs, index_col=[0, 1]).sort_index()
-
-if "modifications" in snakemake.input.keys():
-    modifications = pd.read_csv(snakemake.input.modifications, index_col=[0, 1]).sort_index()
-    costs.loc[modifications.index] = modifications
-    print(modifications)
-    print( costs.loc[modifications.index])
-
-costs.to_csv(snakemake.output[0])