remove examples of dataset field statistics

Author: katacek

sources/platform/actors/development/actor_definition/dataset_schema/validation.md

@@ -221,92 +221,3 @@ The measured statistics are following:
 Currently, you cannot view these statistics. We will add API endpoint soon. But you can already use them in monitoring.
 
 :::
-
-## Examples
-
-For this schema:
-
-```json
-{
-    "$schema": "http://json-schema.org/draft-07/schema#",
-    "type": "object",
-    "properties": {
-        "name": {
-            "type": "string"
-        },
-        "description": {
-            "type": "string"
-        },
-        "dimensions": {
-            "type": "object",
-            "nullable": true,
-            "properties": {
-                "width": {
-                    "type": "number"
-                },
-                "height": {
-                    "type": "number"
-                }
-            },
-            "required": ["width", "height"]
-        },
-        "price": {
-            "type": ["string", "number"]
-        }
-    },
-    "required": ["name", "price"]
-}
-```
-
-The stored statistics and fields in the database look like this:
-
-```json
-{
-    "_id" : "1lVGVBkWIhSYPY1dD",
-    "fields" : [
-        "name",
-        "description",
-        "dimensions",
-        "dimensions/width",
-        "dimensions/height",
-        "price"
-    ],
-    "stats": {
-        "description": {
-            "emptyCount": 105,
-            "max": 19,
-            "min": 19
-        },
-        "dimensions": {
-            "emptyCount": 144,
-            "max": 2,
-            "min": 2,
-            "nullCount": 86
-        },
-        "dimensions/height": {
-            "emptyCount": 230,
-            "max": 992,
-            "min": 18
-        },
-        "dimensions/width": {
-            "emptyCount": 230,
-            "max": 977,
-            "min": 4
-        },
-        "name": {
-            "max": 13,
-            "min": 11
-        },
-        "price": {
-            "max": 999,
-            "min": 1
-        }
-    }
-}
-```
-
-:::note
-
-If you want to see for yourself, check `datasetStatistics` collection. The ids correspond to the ids of datasets.
-
-:::