Remove fixes that are implemented correct in new CM

IPython/html/static/notebook/js/codecell.js

@@ -391,14 +391,6 var IPython = (function (IPython) {
         return cont;
     };
 
-    CodeCell.prototype.unselect = function () {
-        var cont = IPython.Cell.prototype.unselect.apply(this);
-        if (cont) {
-            this.code_mirror.getInputField().blur();
-        }
-        return cont;
-    };
-
     CodeCell.prototype.render = function () {
         var cont = IPython.Cell.prototype.render.apply(this);
         // Always execute, even if we are already in the rendered state

IPython/html/static/notebook/js/notebook.js

@@ -457,7 +457,6 var IPython = (function (IPython) {
         if (this.is_valid_cell_index(index)) {
             var sindex = this.get_selected_index();
             if (sindex !== null && index !== sindex) {
-                this.command_mode(); 
                 this.get_cell(sindex).unselect();
             }
             var cell = this.get_cell(index);