adding extra parameters to X axis flex chart

rowers/views.py

@@ -8290,25 +8290,13 @@ def workout_flexchart3_view(request,*args,**kwargs):
     yparam1 = yparam1.replace('/','_slsh_')
     yparam2 = yparam2.replace('/','_slsh_')
 
-    try:
-        extrametrics.pop('originalvelo')
-    except KeyError:
-        pass
+    from rowers.metrics import nometrics
 
-    try:
-        extrametrics.pop('cumdist')
-    except KeyError:
-        pass
-
-    try:
-        extrametrics.pop(' Cadence (strokes_slsh_min)')
-    except KeyError:
-        pass
-
-    try:
-        extrametrics.pop(' WorkPerStroke (joules)')
-    except KeyError:
-        pass
+    for metric in nometrics:
+        try:
+            extrametrics.pop(metric)
+        except KeyError:
+            pass
 
     return render(request,
 		  'flexchart3otw.html',