removed duplicate variable

Author: Kanchan-Microsoft

infra/main.bicep

@@ -267,9 +267,6 @@ var logAnalyticsWorkspaceResourceId = useExistingLogAnalytics  ? existingLogAnal
 @description('Optional created by user name')
 param createdBy string = empty(deployer().userPrincipalName) ? '' : split(deployer().userPrincipalName, '@')[0]
 
-@description('Optional created by user name')
-param createdBy string = empty(deployer().userPrincipalName) ? '' : split(deployer().userPrincipalName, '@')[0]
-
 // ========== Resource Group Tag ========== //
 resource resourceGroupTags 'Microsoft.Resources/tags@2021-04-01' = {
   name: 'default'