remove the notion of data platform

Welcome.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Getting Started With Jupyter on Iguazio Data Platform"
+    "# Getting Started With Jupyter on Iguazio Platform"
    ]
   },
   {
@@ -13,7 +13,7 @@
    "source": [
     "## Iguazio platform overview\n",
     "\n",
-    "iguazio data platform enables fast delivery of intelligent real-time and event driven applications, and is comprised of the following layers:\n",
+    "iguazio platform enables fast delivery of intelligent real-time and event driven applications, and is comprised of the following layers:\n",
     "* User development and access services: nuclio real-time serverless functions, Jupyter notebooks and Real-time dashboards (based on Grafana)\n",
     "* Data and api services: host pre-integrated services such as Spark, Presto, Web APIs, etc. \n",
     "* high-performance unified database: allow simultaneous access through multiple standard/open APIs and data models(file, object, SQL, NoSQL, stream, time-series). \n",