Fix removing line passes

Author: dy

package-lock.json

@@ -99,7 +99,7 @@
     "polybooljs": "^1.2.0",
     "regl": "^1.3.1",
     "regl-error2d": "^2.0.3",
-    "regl-line2d": "^3.0.1",
+    "regl-line2d": "^3.0.2",
     "regl-scatter2d": "^3.0.1",
     "regl-splom": "^1.0.0",
     "right-now": "^1.0.0",

package.json

@@ -376,8 +376,8 @@ describe('@gl Test splom interactions:', function() {
         var cnt = 1;
 
         function _assert(dims) {
-            var gridData = gd._fullLayout._splomGrid.lines;
-            var gridLengths = gridData.map(function(d) { return d.positions.length; });
+            var gridData = gd._fullLayout._splomGrid.passes;
+            var gridLengths = gridData.map(function(d) { return d.count * 2; });
             var msg = ' - call #' + cnt;
 
             expect(Object.keys(gridData).length)