refactor: move geomapper notebook to _delphi_utils

Author: dshemetov

testing_utils/geo_utility_demonstration.ipynb renamed to _delphi_utils_python/delphi_utils/notebooks/geo_utility_demonstration.ipynb

@@ -19,7 +19,7 @@
     "\n",
     "from delphi_utils import GeoMapper\n",
     "\n",
-    "os.chdir(\"_delphi_utils_python/delphi_utils/data/\")"
+    "os.chdir(\"_delphi_utils_python/delphi_utils/data/2020/\")"
    ]
   },
   {
@@ -474,15 +474,14 @@
    "source": [
     "FIPS_ZIP_OUT_FILENAME = \"fips_zip_table.csv\"\n",
     "ZIP_HRR_OUT_FILENAME = \"zip_hrr_table.csv\"\n",
-    "OUTPUT_DIR = \"../../delphi_utils/data\"\n",
     "from os.path import join, isfile\n",
     "\n",
     "fz_df = pd.read_csv(\n",
-    "    join(OUTPUT_DIR, FIPS_ZIP_OUT_FILENAME),\n",
+    "    FIPS_ZIP_OUT_FILENAME,\n",
     "    dtype={\"fips\": str, \"zip\": str, \"weight\": float},\n",
     ")\n",
     "zh_df = pd.read_csv(\n",
-    "    join(OUTPUT_DIR, ZIP_HRR_OUT_FILENAME),\n",
+    "    ZIP_HRR_OUT_FILENAME,\n",
     "    dtype={\"zip\": str, \"hrr\": str},\n",
     ")\n",
     "\n",