Removed %matplotlib qt5 by default.

Commented out `%matplotlib qt5` in notebook 2, as often causes errors in installations.

Author: pastokes

2. The Manuscript Average.ipynb

@@ -53,8 +53,8 @@
     "\n",
     "# This is some \"magic\" to tell Jupyter to display the images in a new window\n",
     "# rather than inline in the notebook, so that we can see them more clearly.\n",
-    "# Feel free to remove the line if you prefer.\n",
-    "%matplotlib qt5\n",
+    "# It often causes errors so is commented out, but feel free to try it if you wish.\n",
+    "#%matplotlib qt5\n",
     "\n",
     "directory = 'CCCC 44/'\n",
     "filelist = glob.glob(directory + '*.jpg')"