Rename census tutorial file (#258)

Co-authored-by: Christie Ellks <[email protected]>

Author: kmoscoe

…zing_Census_Data_with_Data_Commons.ipynb notebooks/v2/analyzing_census_data.ipynbnotebooks/v2/Analyzing_Census_Data_with_Data_Commons.ipynb renamed to notebooks/v2/analyzing_census_data.ipynb notebooks/v2/Analyzing_Census_Data_with_Data_Commons.ipynb renamed to notebooks/v2/analyzing_census_data.ipynb

@@ -16,7 +16,7 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "<a href=\"https://colab.research.google.com/github/datacommonsorg/api-python/blob/master/notebooks/v2/Analyzing_Census_Data_with_Data_Commons.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/datacommonsorg/api-python/blob/master/notebooks/v2/analyzing_census_data.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
     {
@@ -54,13 +54,6 @@
         "Let's begin by loading the Data Commons Python API and the standard data science libraries:"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {},
-      "source": [
-        "<a href=\"https://colab.research.google.com/github/datacommonsorg/api-python/blob/tutorials/Analyzing_Census_Data_with_Data_Commons.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
-      ]
-    },
     {
       "cell_type": "code",
       "execution_count": null,