[babl] remove deprecated loss struct member

[Øyvind Kolås <ok src gnome org>]

commit 1886cded1e68ee66d65bc228564c98151d8cb5d3
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Nov 14 22:09:00 2016 +0100

    remove deprecated loss struct member

 babl/babl-fish-path.c |    1 -
 babl/babl-fish.h      |    1 -
 babl/babl.c           |    7 -------
 3 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/babl/babl-fish-path.c b/babl/babl-fish-path.c
index c4c447f..e7973a2 100644
--- a/babl/babl-fish-path.c
+++ b/babl/babl-fish-path.c
@@ -296,7 +296,6 @@ babl_fish_path (const Babl *source,
   babl->fish.pixels               = 0;
   babl->fish.error                = BABL_MAX_COST_VALUE;
   babl->fish_path.cost            = BABL_MAX_COST_VALUE;
-  babl->fish_path.loss            = BABL_MAX_COST_VALUE;
   babl->fish_path.conversion_list = babl_list_init_with_size (BABL_HARD_MAX_PATH_LENGTH);
 
   {
diff --git a/babl/babl-fish.h b/babl/babl-fish.h
index 1592329..54d670a 100644
--- a/babl/babl-fish.h
+++ b/babl/babl-fish.h
@@ -66,7 +66,6 @@ typedef struct
 {
   BablFish         fish;
   double           cost;   /* number of  ticks *10 + chain_length */
-  double           loss;   /* error introduced */
   BablList         *conversion_list;
 } BablFishPath;
 
diff --git a/babl/babl.c b/babl/babl.c
index 22c104c..7209c8f 100644
--- a/babl/babl.c
+++ b/babl/babl.c
@@ -151,9 +151,6 @@ babl_fish_serialize (Babl *fish, char *dest, int n)
         snprintf (d, n, " cost=%f", fish->fish_path.cost);
         n -= strlen (d);d += strlen (d);
 
-        snprintf (d, n, " loss=%f", fish->fish_path.loss);
-        n -= strlen (d);d += strlen (d);
-
         snprintf (d, n, "\n");
         n -= strlen (d);d += strlen (d);
 
@@ -343,10 +340,6 @@ static void babl_init_db (const char *path)
               {
                 babl->fish_path.cost = strtod (token2 + 5, NULL);
               }
-              else if (!strncmp (token2, "loss=", 5))
-              {
-                babl->fish_path.loss = strtod (token2 + 5, NULL);
-              }
               else if (!strncmp (token2, "pixels=", 7))
               {
                 babl->fish.pixels = strtol (token2 + 7, NULL, 10);