Remove encoding magic comment

Author: wpolicarpo

test/cases/column_test_sqlserver.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-# encoding: UTF-8
 require 'cases/helper_sqlserver'
 
 class ColumnTestSQLServer < ActiveRecord::TestCase

test/cases/transaction_test_sqlserver.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-# encoding: UTF-8
 require 'cases/helper_sqlserver'
 require 'models/ship'
 require 'models/developer'

test/cases/trigger_test_sqlserver.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-# encoding: UTF-8
 require 'cases/helper_sqlserver'
 
 class SQLServerTriggerTest < ActiveRecord::TestCase

test/cases/uuid_test_sqlserver.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-# encoding: UTF-8
 require 'cases/helper_sqlserver'
 
 class SQLServerUuidTest < ActiveRecord::TestCase