dabf299194edc0e3f58c579bf1ba5abf72d0020d
hiram
  Wed Dec 9 10:02:41 2015 -0800
remove obsolete commented out variables, no longer usable refs #1612

diff --git src/hg/hgTracks/imageV2.h src/hg/hgTracks/imageV2.h
index afe0cc2..99e22e8 100644
--- src/hg/hgTracks/imageV2.h
+++ src/hg/hgTracks/imageV2.h
@@ -21,35 +21,31 @@
     // aligned with the centerLabel, we will need to either: remove sideLabels
     // (which otherwise work) OR add a new side-slice to match the centerlabel
 #endif //defined(IMAGEv2_DRAG_SCROLL_SZ) && (IMAGEv2_DRAG_SCROLL_SZ > 1)
 
 // CURRENT PROBLEMS with dragScroll > 1X:
 // o Dynamic height for data/label based on image map currently works EXCEPT,
 //   occasionally does not resize.  Consider resize while dragging!
 // o next item feature '>>' arrows should check if items are in the wings
 // o next exon feature '>>' arrows are only seen in the wings and only look beyond the wings
 
 // UNCOMMENT  USE_NAVIGATION_LINKS for so far experimental UI changes to replace buttons at top
 // with more streamlined links
 //#define USE_NAVIGATION_LINKS
 
 extern struct imgBox   *theImgBox;   // Make this global for now to avoid huge rewrite
-//extern struct image    *theOneImg;   // Make this global for now to avoid huge rewrite
 extern struct imgTrack *curImgTrack; // Make this global for now to avoid huge rewrite
-//extern struct imgSlice *curSlice;    // Make this global for now to avoid huge rewrite
-//extern struct mapSet   *curMap;      // Make this global for now to avoid huge rewrite
-//extern struct mapItem  *curMapItem;  // Make this global for now to avoid huge rewrite
 
 /////////////////////////
 // FLAT TRACKS
 // A simplistic way of flattening the track list before building the image
 // NOTE: Strategy is NOT to use imgBox->imgTracks, since this should be independent of imageV2
 //       These should probably be moved to hgTracks.h
 /////////////////////////
 struct flatTracks // List of tracks in image, flattened to promote subtracks
     {
     struct flatTracks *next;   // Next on list.
     struct track *track;       // Track (the track list is still heirarchical
     int order;                 // Image order: This keeps track of dragReorder
     int maxHeight;             // largest height among all windows in image.
     };