f41b7312f74139ab5b5580d6767d12b456c831d7
braney
  Thu Jul 21 17:45:59 2016 -0700
remove the canDoCoverage hg.conf variable.

diff --git src/hg/lib/hui.c src/hg/lib/hui.c
index 640cccc..895664f 100644
--- src/hg/lib/hui.c
+++ src/hg/lib/hui.c
@@ -4810,35 +4810,30 @@
 else
     printf("<p>");
 return boxed;
 }
 
 void cfgEndBox(boolean boxed)
 // Handle end of box and title for individual track type settings
 {
 if (boxed)
     puts("</td></tr></table>");
 }
 
 void wigOption(struct cart *cart, char *name, char *title, struct trackDb *tdb)
 /* let the user choose to see the track in wiggle mode */
 {
-char *canDoCoverage = cfgOptionEnvDefault("HGDB_CAN_DO_COVERAGE",
-                CanDoCoverageConfVariable, "off");
-if (differentString(canDoCoverage, "on"))
-    return;
-
 printf("<BR><BR><B>Display data as a density graph:</B> ");
 char varName[1024];
 safef(varName, sizeof(varName), "%s.doWiggle", name);
 boolean parentLevel = isNameAtParentLevel(tdb,varName);
 boolean option = cartUsualBooleanClosestToHome(cart, tdb, parentLevel,"doWiggle", FALSE);
 
 cgiMakeCheckBox(varName, option);
 printf("<BR>\n");
 char *style = option ? "display:block" : "display:none";
 printf("<DIV ID=\"densGraphOptions\" STYLE=\"%s\">\n", style);
 
 // we need to fool the wiggle dialog into defaulting to autoscale and maximum
 char *origType = tdb->type;
 tdb->type = "bedGraph";
 if (hashFindVal(tdb->settingsHash, AUTOSCALE) == NULL)