Remove unused dependency

Author: xsawyerx

lib/Dancer2/Core/App.pm

@@ -28,8 +28,6 @@ use Dancer2::Core::Hook;
 use Dancer2::Core::Request;
 use Dancer2::Core::Factory;
 
-use Dancer2::Handler::File;
-
 our $EVAL_SHIM; $EVAL_SHIM ||= sub {
     my $code = shift;
     $code->(@_);