Remove Natalie tests for Data#to_h

They have been added upstream.

test/natalie/data_test.rb

@@ -3,10 +3,6 @@
 
 ruby_version_is ''...'3.2' do
   describe 'we need the same number of tests here to make the ruby comparison pass' do
-    it 'transforms the data object into a hash' do
-      1.should == 1
-    end
-
     it 'results in a readable representation' do
       1.should == 1
     end
@@ -18,13 +14,6 @@
 end
 
 ruby_version_is '3.2' do
-  describe 'Data#to_h' do
-    it 'transforms the data object into a hash' do
-      data = DataSpecs::Measure.new(amount: 42, unit: 'km')
-      data.to_h.should == { amount: 42, unit: 'km' }
-    end
-  end
-
   describe 'Data#inspect' do
     it 'results in a readable representation' do
       data = DataSpecs::Measure.new(amount: 42, unit: 'km')