Update New-AzureRmSqlDatabaseCopy.md

Author: cormacpayne

src/ResourceManager/Sql/Commands.Sql/help/New-AzureRmSqlDatabaseCopy.md

@@ -143,7 +143,7 @@ Accept wildcard characters: False
 ```
 
 ### -ResourceGroupName
-Specifies the name of the  Resource Group that contains the database to copy.
+Specifies the name of the Resource Group that contains the database to copy.
 
 ```yaml
 Type: String