Fix css tag selector (#2772)

The css selector for tags was falsely prefixed id selector.

Author: zipperle

java/client/src/org/openqa/selenium/remote/http/W3CHttpCommandCodec.java

@@ -130,7 +130,7 @@ public W3CHttpCommandCodec() {
 
           case "tag name":
             toReturn.put("using", "css selector");
-            toReturn.put("value", "#" + cssEscape(value));
+            toReturn.put("value", cssEscape(value));
             break;
 
           case "xpath":