Merge pull request #7806 from takluyver/ctrl-jk-rm-doc

Remove mention of Ctrl-J & Ctrl-K shortcuts from example notebook

examples/Notebook/Notebook Basics.ipynb

@@ -226,7 +226,7 @@
     "1. Basic navigation: `enter`, `shift-enter`, `up/k`, `down/j`\n",
     "2. Saving the notebook: `s`\n",
     "2. Cell types: `y`, `m`, `1-6`, `t`\n",
-    "3. Cell creation and movement: `a`, `b`, `ctrl+k`, `ctrl+j`\n",
+    "3. Cell creation: `a`, `b`\n",
     "4. Cell editing: `x`, `c`, `v`, `d`, `z`, `shift+=`\n",
     "5. Kernel operations: `i`, `.`"
    ]