Update assignment.ipynb

Delete:  "You can explore it in the [assignment notebook](assignment.ipynb)."  
The link is resulting in a "Notebook not found" page. 
Also, this is already the assignment notebook for the link.

Author: flegaspi700

2-Working-With-Data/08-data-preparation/assignment.ipynb

@@ -12,7 +12,7 @@
     "\r\n",
     "A client has been testing a [small form](index.html) to gather some basic data about their client-base. They have brought their findings to you to validate the data they have gathered. You can open the `index.html` page in a browser to take a look at the form.\r\n",
     "\r\n",
-    "You have been provided a [dataset of csv records](../../data/form.csv)that contain entries from the form as well as some basic visualizations.The client pointed out that some of the visualizations look incorrect but they're unsure about how to resolve them. You can explore it in the [assignment notebook](assignment.ipynb).\r\n",
+    "You have been provided a [dataset of csv records](../../data/form.csv)that contain entries from the form as well as some basic visualizations.The client pointed out that some of the visualizations look incorrect but they're unsure about how to resolve them.\r\n",
     "\r\n",
     "## Instructions\r\n",
     "\r\n",
@@ -139,4 +139,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 2
-}
+}