removing whitespaces

Author: AlicjaKucharczyk

articles/postgresql/flexible-server/concepts-extensions.md

@@ -40,55 +40,30 @@ az postgres flexible-server parameter set --resource-group <your resource group>
 
 ```json
 {
-
     "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
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     "contentVersion": "1.0.0.0",
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     "parameters": {
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         "flexibleServers_name": {
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             "defaultValue": "mypostgreserver",
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             "type": "String"
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         },
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         "azure_extensions_set_value": {
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             "defaultValue": " dblink,dict_xsyn,pg_buffercache",
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             "type": "String"
-
         }
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     },
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     "variables": {},
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     "resources": [
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         {
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             "type": "Microsoft.DBforPostgreSQL/flexibleServers/configurations",
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             "apiVersion": "2021-06-01",
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             "name": "[concat(parameters('flexibleServers_name'), '/azure.extensions')]",
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             "properties": {
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                 "value": "[parameters('azure_extensions_set_value')]",
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                 "source": "user-override"
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             }
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         }
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     ]
-
 }
   ```