Remove warnings about old 1st edition code changes

08_dimensionality_reduction.ipynb

@@ -103,22 +103,6 @@
     "## PCA using SVD decomposition"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "Note: the `svd()` function returns `U`, `s` and `Vt`, where `Vt` is equal to $\\mathbf{V}^T$, the transpose of the matrix $\\mathbf{V}$. Earlier versions of the book mistakenly said that it returned `V` instead of `Vt`. Also, Equation 8-1 should actually contain $\\mathbf{V}$ instead of $\\mathbf{V}^T$, like this:\n",
-    "\n",
-    "$\n",
-    "\\mathbf{V} =\n",
-    "\\begin{pmatrix}\n",
-    "  \\mid & \\mid & & \\mid \\\\\n",
-    "  \\mathbf{c_1} & \\mathbf{c_2} & \\cdots & \\mathbf{c_n} \\\\\n",
-    "  \\mid & \\mid & & \\mid\n",
-    "\\end{pmatrix}\n",
-    "$"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 4,