Tweak the filter list for transformObjectCatalog

This ticket changes how this config.filterMap is used in
determining the output schema. With this change, only the
filters we want to include in the output should be listed
in this task config.

config/hsc/transformObjectCatalog.py

@@ -1,5 +1,7 @@
 import os
 from lsst.utils import getPackageDir
 
-config.load(os.path.join(getPackageDir("obs_subaru"), "config", "hsc", "filterMap.py"))
+for filt, filtShort in [("HSC-G", "g"), ("HSC-R", "r"), ("HSC-I", "i"),
+                        ("HSC-Z", "z"), ("HSC-Y", "y")]:
+    config.filterMap[filt] = filtShort
 config.functorFile = os.path.join(getPackageDir("obs_subaru"), 'policy', 'Object.yaml')