Update Get-Mailbox.md

Removed ServiceSafetyConfiguration per PM input and blind cmdlet sweep

Author: chrisda

exchange/exchange-ps/exchange/Get-Mailbox.md

@@ -48,7 +48,6 @@ Get-Mailbox [-Anr <String>]
  [-RecipientTypeDetails <RecipientTypeDetails[]>]
  [-RemoteArchive]
  [-ResultSize <Unlimited>]
- [-ServiceSafetyConfiguration]
  [-SoftDeletedMailbox]
  [-SortBy <String>]
  [-SupervisoryReviewPolicy]
@@ -106,7 +105,6 @@ Get-Mailbox [[-Identity] <MailboxIdParameter>]
  [-RecipientTypeDetails <RecipientTypeDetails[]>]
  [-RemoteArchive]
  [-ResultSize <Unlimited>]
- [-ServiceSafetyConfiguration]
  [-SoftDeletedMailbox]
  [-SortBy <String>]
  [-SupervisoryReviewPolicy]
@@ -155,7 +153,6 @@ Get-Mailbox [-MailboxPlan <MailboxPlanIdParameter>]
  [-PublicFolder]
  [-RecipientTypeDetails <RecipientTypeDetails[]>]
  [-ResultSize <Unlimited>]
- [-ServiceSafetyConfiguration]
  [-SoftDeletedMailbox]
  [-SortBy <String>]
  [<CommonParameters>]
@@ -802,24 +799,6 @@ Accept pipeline input: True
 Accept wildcard characters: False
 ```
 
-### -ServiceSafetyConfiguration
-This parameter is available only in the cloud-based service.
-
-This parameter is reserved for internal Microsoft use.
-
-```yaml
-Type: SwitchParameter
-Parameter Sets: Identity, AnrSet, MailboxPlanSet
-Aliases:
-Applicable: Exchange Online
-
-Required: False
-Position: Named
-Default value: None
-Accept pipeline input: False
-Accept wildcard characters: False
-```
-
 ### -SoftDeletedMailbox
 This parameter is available only in the cloud-based service.