Remove obsolete raise and adjust spec

lib/use_case/report/create.rb

@@ -34,7 +34,7 @@ module UseCase
       end
 
       def check_object_exists
-        raise Errors::NotFound.new("#{object_type.capitalize} not found") unless object
+        object
       end
 
       def create_report

spec/lib/use_case/report/create_spec.rb

@@ -33,7 +33,7 @@ describe UseCase::Report::Create do
 
   shared_examples "object not found" do
     it "raises an error" do
-      expect { subject }.to raise_error(Errors::NotFound, "#{object_type.capitalize} not found")
+      expect { subject }.to raise_error(ActiveRecord::RecordNotFound)
     end
   end