Turn On ImplicitUsings (#2079)

* Turn on ImplicitUsings

* Fix formatting

* Run linter

src/Core/Models/Mail/BaseMailModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class BaseMailModel
     {

src/Core/Models/Mail/FamiliesForEnterprise/FamiliesForEnterpriseSponsorshipRevertingViewModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail.FamiliesForEnterprise
+namespace Bit.Core.Models.Mail.FamiliesForEnterprise
 {
     public class FamiliesForEnterpriseSponsorshipRevertingViewModel : BaseMailModel
     {

src/Core/Models/Mail/IMailQueueMessage.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public interface IMailQueueMessage
     {

src/Core/Models/Mail/InvoiceUpcomingViewModel.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class InvoiceUpcomingViewModel : BaseMailModel
     {

src/Core/Models/Mail/MailMessage.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class MailMessage
     {

src/Core/Models/Mail/MailQueueMessage.cs

@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
+using System.Text.Json.Serialization;
 using Bit.Core.Utilities;
 
 namespace Bit.Core.Models.Mail

src/Core/Models/Mail/OrganizationSeatsAutoscaledViewModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class OrganizationSeatsAutoscaledViewModel : BaseMailModel
     {

src/Core/Models/Mail/OrganizationSeatsMaxReachedViewModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class OrganizationSeatsMaxReachedViewModel : BaseMailModel
     {

src/Core/Models/Mail/OrganizationUserAcceptedViewModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class OrganizationUserAcceptedViewModel : BaseMailModel
     {

src/Core/Models/Mail/OrganizationUserInvitedViewModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class OrganizationUserInvitedViewModel : BaseMailModel
     {

src/Core/Models/Mail/VerifyDeleteModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class VerifyDeleteModel : BaseMailModel
     {

src/Core/Models/Mail/VerifyEmailModel.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Bit.Core.Models.Mail
+namespace Bit.Core.Models.Mail
 {
     public class VerifyEmailModel : BaseMailModel
     {