Remove redundant nav keys already implemented in Jupyter core

Author: JSpenced

src/jupyter_contrib_nbextensions/nbextensions/navigation-hotkeys/main.js

@@ -7,15 +7,6 @@ define([
     "use strict";
 
     var add_command_shortcuts = {
-            'esc' : {
-                help    : 'Enter edit mode',
-                help_index : 'aa',
-                handler : function() {
-                    Jupyter.notebook.edit_mode();
-                    return false;
-                }
-            },
-
             'home' : {
                 help    : 'Go to top',
                 help_index : 'ga',
@@ -90,16 +81,6 @@ define([
         };
 
     var add_edit_shortcuts = {
-            'alt-minus' : {
-                help    : 'Split cell at cursor',
-                help_index : 'eb',
-                handler : function() {
-                    Jupyter.notebook.edit_mode();
-                    Jupyter.notebook.split_cell();
-                    Jupyter.notebook.edit_mode();
-                    return false;
-                }
-            },
             'alt-=' : {
                 help    : 'Merge cell with previous cell',
                 help_index : 'eb',

src/jupyter_contrib_nbextensions/nbextensions/navigation-hotkeys/readme.md

@@ -7,7 +7,6 @@ Edit-mode hotkeys:
 
  * `pageup`        - scroll page up
  * `pagedown`      - scroll page down
- * `Alt`- `-`      - Split cell and keep cursor position
  * `Alt`- `+`      - Combine cell and keep cursor position
  * `Alt`-`n`       - Toggle line number display in current codecell
  * `Shift`-`Enter` - Execute cell, goto next cell and stay in edit mode if next cell is a code cell or unrendered markdown cell
@@ -16,7 +15,6 @@ Edit-mode hotkeys:
 
 Command-mode hotkeys:
 
-* `esc`      - toggle to edit mode
 * `home`     - Go to top of notebook
 * `end`      - Go to bottom of notebook
 * `pageup`   - scroll page up