Remove now-defaulted overrides

This commit is not intended to change pipeline behavior: the combined effect
of this branch across all packages is to cleanup our configs so that the task
defaults are what we believe to be most appropriate for most cases.

config/calibrate.py

@@ -16,12 +16,6 @@
 
 config.photoCal.applyColorTerms = True
 
-# this was the default prior to DM-11521.  New default is 2000.
-config.deblend.maxFootprintSize=0
-
-# Better astrometry matching
-config.astrometry.matcher.numBrightStars = 150
-
 # ====================================
 # TODO DM-31063: below are things taken from obs_subaru that should be moved
 # into a generic pipeline config once gen2 is gone.

config/characterizeImage.py

@@ -3,5 +3,4 @@
 # These cosmic ray defaults work for validation_data_cfht (which is post-ISR
 # data, thus not actually raw); it may not be correct for all CFHT data.
 config.requireCrForPsf = False
-config.repair.cosmicray.nCrPixelMax = 100000
 config.repair.cosmicray.min_DN = 3000