remove unused handleGroupingDefaults exports from funnel and waterfall defaults

Author: archmoj

src/traces/funnel/defaults.js

@@ -74,6 +74,5 @@ function crossTraceDefaults(fullData, fullLayout) {
 
 module.exports = {
     supplyDefaults: supplyDefaults,
-    crossTraceDefaults: crossTraceDefaults,
-    handleGroupingDefaults: handleGroupingDefaults
+    crossTraceDefaults: crossTraceDefaults
 };

src/traces/waterfall/defaults.js

@@ -86,6 +86,5 @@ function crossTraceDefaults(fullData, fullLayout) {
 
 module.exports = {
     supplyDefaults: supplyDefaults,
-    crossTraceDefaults: crossTraceDefaults,
-    handleGroupingDefaults: handleGroupingDefaults
+    crossTraceDefaults: crossTraceDefaults
 };