fix: dont check first row on report load

- This doesn't actually load the chart but leaves UI and data in
  inconsistent state
- On refresh it randomly keeps toggling the first row - confusing
  behaviour.
diff --git a/erpnext/buying/report/purchase_analytics/purchase_analytics.js b/erpnext/buying/report/purchase_analytics/purchase_analytics.js
index e70e431..a884f06 100644
--- a/erpnext/buying/report/purchase_analytics/purchase_analytics.js
+++ b/erpnext/buying/report/purchase_analytics/purchase_analytics.js
@@ -68,9 +68,6 @@
 		}
 
 	],
-	after_datatable_render: function(datatable_obj) {
-		$(datatable_obj.wrapper).find(".dt-row-0").find('input[type=checkbox]').click();
-	},
 	get_datatable_options(options) {
 		return Object.assign(options, {
 			checkboxColumn: true,
diff --git a/erpnext/selling/report/sales_analytics/sales_analytics.js b/erpnext/selling/report/sales_analytics/sales_analytics.js
index d994496..87dd02f 100644
--- a/erpnext/selling/report/sales_analytics/sales_analytics.js
+++ b/erpnext/selling/report/sales_analytics/sales_analytics.js
@@ -67,9 +67,6 @@
 			reqd: 1
 		}
 	],
-	after_datatable_render: function(datatable_obj) {
-		$(datatable_obj.wrapper).find(".dt-row-0").find('input[type=checkbox]').click();
-	},
 	get_datatable_options(options) {
 		return Object.assign(options, {
 			checkboxColumn: true,