quick powershell question need to delete a table in the code

hello,

can someone please look at the code below, when the report is generated, there is a [] table entry right after the title.

you'll see it in the attached screen shot.
here is the powershell code, can someone please tell me where to delete this invalid table entry [per my screen shot attached]

Function Getservicestatus($service, $server)
{
	$st = Get-service -computername $server | where-object { $_.name -eq $service }
	if($st)
	{$servicestatus= $st.status}
	else
	{$servicestatus = "Not found"}
	
	Return $servicestatus
}

$Forest = [system.directoryservices.activedirectory.Forest]::GetCurrentForest()

[string[]]$computername = $Forest.domains | ForEach-Object {$_.DomainControllers} | ForEach-Object {$_.Name} 


$report1= @()
foreach ($server in $computername){
$temp1 = "" | select server, pingstatus
if ( Test-Connection -ComputerName $server -Count 1 -ErrorAction SilentlyContinue ) {
$temp1.pingstatus = "Pinging"
}
else {
$temp1.pingstatus = "Not pinging"
}
$temp1.server = $server
$report1+=$temp1
}

$b = $report1 | select server, pingstatus  | ConvertTo-HTML -Fragment -As Table -PreContent "<h2>Server Availability</h2>" | Out-String


$report = @()

foreach ($server in $computername){
$temp = "" | select server, NTDS, DNS, DFSR, netlogon, w32Time
$temp.server = $server

$temp.NTDS = Getservicestatus -service "NTDS" -server $server
$temp.DNS = Getservicestatus -service "DNS" -server $server
$temp.DFSR = Getservicestatus -service "DFSR" -server $server
$temp.netlogon = Getservicestatus -service "netlogon" -server $server
$temp.w32Time = Getservicestatus -service "w32Time" -server $server
$report+=$temp
}

$b+= $REPORT | select server, NTDS, DNS, DFSR, netlogon, w32Time | ConvertTo-HTML -Fragment -As Table -PreContent "<h2>Service Status</h2>" | Out-String


add-type -AssemblyName microsoft.visualbasic 
$strings = "microsoft.visualbasic.strings" -as [type] 


$report = @()
foreach ($server in $computername){
$temp = "" | select server, SysvolTest
$temp.server = $server
$svt = dcdiag /test:netlogons /s:$server
if($strings::instr($svt, "passed test NetLogons")){$temp.SysvolTest = "Passed"}
else
{$temp.SysvolTest = "Failed"}
$report+=$temp
}
$b+= $REPORT | select server, SysvolTest | ConvertTo-HTML -Fragment -As Table -PreContent "<h2>NetLogon Test</h2>" | Out-String



$workfile = repadmin.exe /showrepl * /csv 
$results = ConvertFrom-Csv -InputObject $workfile | where {$_.'Number of Failures' -ge 1}
 
if ($results -ne $null ) {
    $b+= $results | select "Source DSA", "Naming Context", "Destination DSA" ,"Number of Failures", "Last Failure Time", "Last Success Time", "Last Failure Status" | ConvertTo-HTML -Fragment -As Table -PreContent "<h2>Replication Status</h2>" | Out-String    

} else {
    $b+= "<h2>Replication Status</h2><br>There were no Replication Errors<br><br>"
}




$head = @'
<style>
body { background-color:#f5f5f5;
       font-family:Arial;
       font-size:10pt; }
td, th { border:1px solid black; 
         border-collapse:collapse; }
th { color:white;
     background-color:black; }
table, tr, td, th { padding: 2px; margin: 0px }
table { margin-left:50px; }
</style>
'@
 
$s = ConvertTo-HTML -head $head -PostContent $b -Body "<h1>Automated AD DS Health Check</h1>" | Out-string


$emailFrom = "reports@mydomain.com" 
$emailTo = "user@mydomain.com"

$smtpserver= "mailserver.mydomain.com" 
$smtp=new-object Net.Mail.SmtpClient($smtpServer)

$msg = new-object Net.Mail.MailMessage
$msg.From = $emailFrom
$msg.To.Add($emailTo)
$msg.IsBodyHTML = $true
$msg.subject="Active Directory Health Check Report" 
$msg.Body = $s
$smtp.Send($msg)

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