get rid of commented out sample json

srce.pgsql

@@ -1,48 +1,3 @@
-/*
-SELECT
-jsonb_pretty(
-$$
-{
-    "name": "GOOGDM",
-    "type": "json_csv",
-    "schema": {
-        "rows": [
-            {
-                "elements": [
-                    {
-                        "status": "text",
-                        "distance": {
-                            "text": "text",
-                            "value": "numeric"
-                        },
-                        "duration": {
-                            "text": "text",
-                            "value": "value"
-                       }
-                    }
-                ]
-            }
-        ],
-        "status": "text",
-        "origin_addresses": [
-            "text"
-        ],
-        "destination_addresses": [
-            "text"
-        ]
-    },
-    "unique_constraint": {
-        "type": "key",
-        "fields": [
-            "{origin_adresses,0}",
-            "{destination_adresses,0}"
-        ]
-    }
-}
-$$::jsonb
-)
-*/
-
 DO $$
 
 declare _t text;