Console: Fix delete confirmation on /configplugins

Replace /configclients and /configplugins onclick with js file
Remove unsafe CSP on /configclients

apps/routerconsole/jsp/js/configclients.js

@@ -0,0 +1,23 @@
+function init()
+{
+	var buttons = document.getElementsByClassName("delete");
+	for(index = 0; index < buttons.length; index++)
+	{
+		var button = buttons[index];
+		addClickHandler(button);
+	}
+}
+
+function addClickHandler(elem)
+{
+	elem.addEventListener("click", function() {
+              if (!confirm(deleteMessage.replace("{0}", elem.getAttribute("client")))) {
+                  event.preventDefault();
+                  return false;
+              }
+        });
+}
+
+document.addEventListener("DOMContentLoaded", function() {
+    init();
+}, true);