Remove old comment

Change-Id: I7691b741bc53fb5232efb98e1db9f9c3f275cbaa
Reviewed-on: https://skia-review.googlesource.com/109801
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/src/ICCProfile.c b/src/ICCProfile.c
index 2749064..a7fed37 100644
--- a/src/ICCProfile.c
+++ b/src/ICCProfile.c
@@ -698,8 +698,6 @@
         return read_tag_mab(&tag, a2b);
     }
 
-    // TODO: Also parse lutAtoBType ('mAB ')
-
     return false;
 }