delete unused partition mapping helper

apps/other/src/assets.py

@@ -68,6 +68,7 @@ def asset_single_2(context, asset_single_1):
     return f"Processed data for {partition_key}"
 
 
+# Special partition mapping that should give the last two partitions for "date" and all partitions for "source"
 partition_mapping = MultiPartitionMapping(
     {
         "date": DimensionPartitionMapping(
@@ -87,6 +88,7 @@ partition_mapping = MultiPartitionMapping(
     ins={"asset_multi_1": AssetIn(partition_mapping=partition_mapping)},
 )
 def asset_multi_2(context, asset_multi_1):
+    # Towards some delta mechanism between two partitions
     ic()
     ic(context.partition_key)
     ic(context.partition_key.keys_by_dimension)