removing cross validation

index.html

@@ -11919,7 +11919,6 @@ div#notebook {
 <div class="text_cell_render border-box-sizing rendered_html">
 <ol>
 <li><a href="knn.html">K-Nearest Neighbor Classification</a> (<a href="knn.ipynb">ipynb</a>)</li>
-<li><a href="cross_validation.html">Cross Validation</a> (<a href="cross_validation.ipynb">ipynb</a>)</li>
 <li><a href="knn_instrument_classification.html">Exercise: K-Nearest Neighbor Instrument Classification</a> (<a href="knn_instrument_classification.ipynb">ipynb</a>)</li>
 <li><a href="kmeans.html">K-Means Clustering</a> (<a href="kmeans.ipynb">ipynb</a>)</li>
 <li><a href="kmeans_instrument_classification.html">Exercise: Unsupervised Instrument Classification using K-Means</a> (<a href="kmeans_instrument_classification.ipynb">ipynb</a>)</li>

index.ipynb

@@ -121,7 +121,6 @@
    "metadata": {},
    "source": [
     "1.  [K-Nearest Neighbor Classification](knn.html) ([ipynb](knn.ipynb))\n",
-    "1.  [Cross Validation](cross_validation.html) ([ipynb](cross_validation.ipynb))\n",
     "1.  [Exercise: K-Nearest Neighbor Instrument Classification](knn_instrument_classification.html) ([ipynb](knn_instrument_classification.ipynb))\n",
     "1.  [K-Means Clustering](kmeans.html) ([ipynb](kmeans.ipynb))\n",
     "1.  [Exercise: Unsupervised Instrument Classification using K-Means](kmeans_instrument_classification.html) ([ipynb](kmeans_instrument_classification.ipynb))\n",