remove cm_keyboard.rst and OS-level shortcuts

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

@@ -21,36 +21,22 b' var IPython = (function (IPython) {'
         cmd_ctrl = 'Cmd-';
         platform_specific = [
             { shortcut: "Cmd-Up",     help:"go to cell start"  },
-            { shortcut: "Cmd-End",    help:"go to cell start"  },
-            { shortcut: "PageUp",     help:"go to cell start"  },
             { shortcut: "Cmd-Down",   help:"go to cell end"  },
-            { shortcut: "PageDown",   help:"go to cell end"  },
-            { shortcut: "Alt-Left",   help:"go one word left"  },
-            { shortcut: "Alt-Right",  help:"go one word right"  },
-            { shortcut: "Cmd-Left",   help:"go to line start"  },
-            { shortcut: "Home",       help:"go to line start"  },
-            { shortcut: "Cmd-Right",  help:"go to line end"  },
-            { shortcut:"End",         help:"go to line end"  },
-            { shortcut:"Alt-Backspace",      help:"del word before"  },
-            { shortcut:"Ctrl-Alt-Backspace", help:"del word after"  },
-            { shortcut:"Alt-Delete",         help:"del word after"  },
+            { shortcut: "Opt-Left",   help:"go one word left"  },
+            { shortcut: "Opt-Right",  help:"go one word right"  },
+            { shortcut: "Opt-Backspace",      help:"del word before"  },
+            { shortcut: "Opt-Delete",         help:"del word after"  },
         ];
     } else {
         // PC specific
         platform_specific = [
             { shortcut: "Ctrl-Home",  help:"go to cell start"  },
             { shortcut: "Alt-Up",     help:"go to cell start"  },
-            { shortcut: "PageUp",     help:"go to cell start"  },
             { shortcut: "Ctrl-End",   help:"go to cell end"  },
             { shortcut: "Ctrl-Down",  help:"go to cell end"  },
-            { shortcut: "PageDown",   help:"go to cell end"  },
             { shortcut: "Ctrl-Left",  help:"go one word left"  },
             { shortcut: "Ctrl-Right", help:"go one word right"  },
             { shortcut: "Alt-Right",  help:"go to cell end"  },
-            { shortcut: "Alt-Left",   help:"go to line start"  },
-            { shortcut: "Home",       help:"go to line start"  },
-            { shortcut: "Alt-Right",  help:"go to line end"  },
-            { shortcut: "End",        help:"go to line end"  },
             { shortcut: "Ctrl-Backspace", help:"del word before"  },
             { shortcut: "Ctrl-Delete",    help:"del word after"  },
         ];
@@ -63,7 +49,6 b' var IPython = (function (IPython) {'
         { shortcut: cmd_ctrl + "]",   help:"indent"  },
         { shortcut: cmd_ctrl + "[",   help:"dedent"  },
         { shortcut: cmd_ctrl + "a",   help:"select all"  },
-        { shortcut: cmd_ctrl + "d",   help:"delete line"  },
         { shortcut: cmd_ctrl + "z",   help:"undo"  },
         { shortcut: cmd_ctrl + "Shift-z",   help:"redo"  },
         { shortcut: cmd_ctrl + "y",   help:"redo"  },

docs/source/notebook/notebook.rst

@@ -394,10 +394,6 b' Ctrl-m . restart kernel'
 Ctrl-m h       show keyboard shortcuts
 ============  ==========================
 
-.. seealso::
-
-    :ref:`Some additional Codemirror keyboard shortcuts <cm_keyboard>`    
-
 
 
 Plotting