Fixing grammar

I find it hard to "type" less characters. It's sort of unintuitive.

select2.js

@@ -2695,7 +2695,7 @@ the specific language governing permissions and limitations under the Apache Lic
         formatResultCssClass: function(data) {return undefined;},
         formatNoMatches: function () { return "No matches found"; },
         formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " more character" + (n == 1? "" : "s"); },
-        formatInputTooLong: function (input, max) { var n = input.length - max; return "Please enter " + n + " less character" + (n == 1? "" : "s"); },
+        formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1? "" : "s"); },
         formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
         formatLoadMore: function (pageNumber) { return "Loading more results..."; },
         formatSearching: function () { return "Searching..."; },