remove line from x axis in graph chart

analytics/templates/charts.html

@@ -72,6 +72,11 @@
                 },
                 options: {
                     scales: {
+                        xAxes: [{
+                            gridLines: {
+                                drawOnChartArea:false
+                            }
+                        }],
                         yAxes: [{
                             ticks: {
                                 beginAtZero: true
@@ -100,6 +105,11 @@
                             ticks: {
                                 beginAtZero: true
                             }
+                        }],
+                        xAxes: [{
+                            gridLines: {
+                                drawOnChartArea:false
+                            }
                         }]
                     }
                 }