956500207b58c263485009212f223836152176d3
hiram
  Thu Mar 26 14:58:55 2026 -0700
simplify the gcOnFly track - it does not need to by completely synthetic - it only comes in from trackDb stanzas refs #35958

diff --git src/hg/hgTracks/hgTracks.h src/hg/hgTracks/hgTracks.h
index e3781b69ebe..7cb2fcb501a 100644
--- src/hg/hgTracks/hgTracks.h
+++ src/hg/hgTracks/hgTracks.h
@@ -1208,36 +1208,30 @@
 void wigMethods(struct track *track, struct trackDb *tdb,
                                 int wordCount, char *words[]);
 /* Set up wig pointers and do some other precalculations on a wig type track. */
 void bedGraphMethods(struct track *track, struct trackDb *tdb,
 	int wordCount, char *words[]);
 void bigWigMethods(struct track *track, struct trackDb *tdb,
 	int wordCount, char *words[]);
 /* Make track group for wig - wiggle tracks. */
 
 void gc5BaseOnTheFlyMethods(struct track *tg, struct cart *cart);
 /* Install on-the-fly GC computation methods on a track that was
  *     loaded from trackDb.  Overrides the bigWig loadItems/loadPreDraw
  *     so data is computed from genome sequence instead of read from a file.
  */
 
-struct track *gc5BaseOnTheFlyTg(struct cart *cart);
-/* Create an on-the-fly GC percent track computed directly from
- *     genome sequence.  Default visibility is dense; the cart
- *     override happens later in the getTrackList() visibility loop.
- */
-
 void mathWigMethods(struct track *track, struct trackDb *tdb, 
 	int wordCount, char *words[]);
 /* mathWig load and draw methods. */
 
 void bigRmskMethods(struct track *track, struct trackDb *tdb,
                                 int wordCount, char *words[]);
 /* Set up bigRmsk methods. */
 
 void commonBigBedMethods(struct track *track, struct trackDb *tdb,
                                 int wordCount, char *words[]);
 /* Set up common bigBed methods used by several track types that depend on the bigBed format. */
 
 void bigBedMethods(struct track *track, struct trackDb *tdb,
                                 int wordCount, char *words[]);
 /* Set up bigBed methods for tracks that are type bigBed. */