removing redundant getSecret function description

Author: polatengin

articles/azure-resource-manager/bicep/bicep-functions-resource.md

@@ -179,57 +179,6 @@ module sql './sql.bicep' = {
 }
 ```
 
-## az.getSecret
-
-`az.getSecret(subscriptionId, resourceGroupName, keyVaultName, secretName, secretVersion)`
-
-Returns a secret from an _Azure Key Vault_. Use this function to pass a secret to a secure string parameter of a Bicep module.
-
-You can use the `az.getSecret()` function from within a `.bicepparam` file.
-
-```bicep
-using './main.bicep'
-
-param secureUserName = az.getSecret('<subscriptionId>', '<resourceGroupName>', '<keyVaultName>', '<secretName>', '<secretVersion>')
-param securePassword = az.getSecret('<subscriptionId>', '<resourceGroupName>', '<keyVaultName>', '<secretName>')
-```
-
-You'll get an error if you use this function with string interpolation.
-
-A [namespace qualifier](bicep-functions.md#namespaces-for-functions) (`az`) isn't needed because the function is available from the _default_ Azure Namespace.
-
-### Parameters
-
-| Parameter | Required | Type | Description |
-|:--- |:--- |:--- |:--- |
-| subscriptionId | Yes | string | The id of the subscription that has the KeyVault resource. |
-| resourceGroupName | Yes | string | The name of the resource group that has the KeyVault resource. |
-| keyVaultName | Yes | string | The name of the key vault. |
-| secretName | Yes | string | The name of the secret stored in the key vault. |
-| secretVersion | No | string | The version of the secret stored in the key vault. |
-
-### Return value
-
-The value for the secret.
-
-### Example
-
-The following `.bicepparam` file has a `securePassword` parameter that will have the latest value of the _\<secretName\>_ secret.
-
-```bicep
-using './main.bicep'
-
-param securePassword = az.getSecret('<subscriptionId>', '<resourceGroupName>', '<keyVaultName>', '<secretName>')
-```
-
-The following `.bicepparam` file has a `securePassword` parameter that will have the value of the _\<secretName\>_ secret, but it's pinned to a specific _\<secretValue\>_.
-
-```bicep
-using './main.bicep'
-
-param securePassword = az.getSecret('<subscriptionId>', '<resourceGroupName>', '<keyVaultName>', '<secretName>', '<secretVersion>')
-```
-
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