[FIX] web_editor: remove useless duplicated code

addons/web_editor/static/src/js/summernote.js

@@ -814,17 +814,6 @@ range.WrappedRange.prototype.reRange = function (keep_end, isNotBreakable) {
 
     return new range.WrappedRange(sc, so, ec, eo);
 };
-range.WrappedRange.prototype.deleteContents = function (towrite) {
-    var prevBP = dom.removeBetween(this.sc, this.so, this.ec, this.eo, towrite);
-
-    $(dom.node(prevBP.sc)).trigger("click"); // trigger click to disable and reanable editor and image handler
-    return new range.WrappedRange(
-      prevBP.sc,
-      prevBP.so,
-      prevBP.ec,
-      prevBP.eo
-    );
-};
 // isOnImg: judge whether range is an image node or not
 range.WrappedRange.prototype.isOnImg = function () {
     var nb = 0;