Issue #2313: eliminate useless use of ObjectManager

also eliminate useless constructur when only a method is called.

scripts/DBUpdate-to-11.0.pl

@@ -32,28 +32,14 @@
 
 # OTOBO modules
 use Kernel::System::ObjectManager ();
+use scripts::DBUpdateTo11_0       ();
 
 $Kernel::OM = Kernel::System::ObjectManager->new(
     'Kernel::System::Log' => {
         LogPrefix => 'OTOBO-DBUpdate-to-11.0.pl',
     },
 );
 
-## get options
-#my %Options = (
-#    Help           => 0,
-#    NonInteractive => 0,
-#    Timing         => 0,
-#    Verbose        => 0,
-#);
-#Getopt::Long::GetOptions(
-#    'help',                      \$Options{Help},
-#    'non-interactive',           \$Options{NonInteractive},
-#    'cleanup-orphaned-articles', \$Options{CleanupOrphanedArticles},
-#    'timing',                    \$Options{Timing},
-#    'verbose',                   \$Options{Verbose},
-#);
-
-$Kernel::OM->Create('scripts::DBUpdateTo11_0')->Run;
+scripts::DBUpdateTo11_0::Run();
 
 exit 0;

scripts/DBUpdateTo11_0.pm

@@ -29,24 +29,13 @@ scripts::DBUpdateTo11_0 - Perform system upgrade from OTOBO 10.1 to 11.0
 
 =head1 PUBLIC INTERFACE
 
-=head2 new()
+=head1 Run
 
-Don't use the constructor directly, use the ObjectManager instead:
-
-    my $DBUpdateObject = $Kernel::OM->Get('scripts::DBUpdateTo11_0');
+This method is run without parameters.
 
 =cut
 
-sub new {
-    my ( $Type, %Param ) = @_;
-
-    # allocate new hash for object
-    return bless {}, $Type;
-}
-
 sub Run {
-    my ( $Self, %Param ) = @_;
-
     print "\n Migration started ... \n";
 
     my $SuccessfulMigration = 1;