remove extra markdown heading

Author: jyaistMap

samples/04_gis_analysts_data_scientists/coastline_extraction-usa-landsat8_multispectral_imagery.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Coastline extraction using Landsat-8 multispectral imagery and band ratio technique"
+    "# Coastline extraction using Landsat-8 multispectral imagery and band ratio technique"
    ]
   },
   {
@@ -1400,7 +1400,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -1414,7 +1414,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.11"
+   "version": "3.7.11"
   }
  },
  "nbformat": 4,