Revert "Images and Docs added to notebooks for CNTK and SQL"

This reverts commit c79ba4eab5.

Tutorials/WebinarDocuments-04-04-2017/CNTK_103A_MNIST_DataLoader.ipynb

@@ -14,7 +14,7 @@
     "- Part A: Familiarize with the [MNIST][] database that will be used later in the tutorial\n",
     "- [Part B](https://github.com/Microsoft/CNTK/blob/v2.0.beta7.0/Tutorials/CNTK_103B_MNIST_FeedForwardNetwork.ipynb): We will use the feedforward classifier used in CNTK 102 to classify digits in MNIST data set.\n",
     "\n",
-    "<img alt=\"mnist_originals.png\" src=\"DataScienceVM/Tutorials/WebinarDocuments-04-04-2017/MiscAssets/mnist_originals.png \">\n",
+    "<img src=\"MiscAssets\\mnist_originals.png\" width=300>\n",
     "\n",
     "\n",
     "[MNIST]: http://yann.lecun.com/exdb/mnist/\n",