Improve javascript code and remove CSP errors

assets/js/task.js

@@ -1,33 +0,0 @@
-(function () {
-
-    // Show popup
-    function popover_show(content)
-    {
-        $("body").append('<div id="popover-container"><div id="popover-content">' + content + '</div></div>');
-
-        $("#popover-container").click(function() {
-            $(this).remove();
-        });
-
-        $("#popover-content").click(function(e) {
-            e.stopPropagation();
-        });
-    }
-
-    $(".popover").click(function(e) {
-
-        e.preventDefault();
-        e.stopPropagation();
-
-        $.get($(this).attr("href"), function(data) {
-            popover_show(data);
-        });
-    });
-
-    $("#form-date_due").datepicker({
-        showOtherMonths: true,
-        selectOtherMonths: true,
-        dateFormat: 'yy-mm-dd'
-    });
-
-}());