Revert "identify unknown sptypes: only check U-B and B-V"

This reverts commit 87f71c386e.

identify_unknown_sptypes.py

@@ -13,13 +13,13 @@ for f in filters:
 spTypeTable = pd.read_csv("cousins.cols")
 
 weights = {"SpType": 0.0,
-           "U-B": 1.0,
-           "B-V": 1.0,
-           "V-R": 0.0,
-           "V-I": 0.0,
-           "V-J": 0.0,
-           "V-H": 0.0,
-           "V-K": 0.0,
+           "U-B": 2.0,
+           "B-V": 2.0,
+           "V-R": 0.8,
+           "V-I": 0.7,
+           "V-J": 0.6,
+           "V-H": 0.5,
+           "V-K": 0.4,
            "V-L": 0.0,
            "V-M": 0.0,
            "V-N": 0.0}