Remove reference to missing cmdlet in Network

Author: cormacpayne

src/ResourceManager/Network/Commands.Network/Az.Network.psd1

@@ -409,7 +409,6 @@ CmdletsToExport = 'Add-AzApplicationGatewayAuthenticationCertificate',
     'Add-AzNetworkInterfaceTapConfig',
     'Get-AzNetworkInterfaceTapConfig',
     'Set-AzNetworkInterfaceTapConfig',
-    'New-AzNetworkInterfaceTapConfig',
     'Remove-AzNetworkInterfaceTapConfig',
     'Get-AzVirtualNetworkTap',
     'New-AzVirtualNetworkTap',

src/ResourceManager/Network/Commands.Network/AzureRM.Network.psd1

@@ -407,7 +407,6 @@ CmdletsToExport = 'Add-AzureRmApplicationGatewayAuthenticationCertificate',
                'Add-AzureRmNetworkInterfaceTapConfig',
                'Get-AzureRmNetworkInterfaceTapConfig',
                'Set-AzureRmNetworkInterfaceTapConfig',
-               'New-AzureRmNetworkInterfaceTapConfig',
                'Remove-AzureRmNetworkInterfaceTapConfig',
                'Get-AzureRmVirtualNetworkTap', 
                'New-AzureRmVirtualNetworkTap',