remove collecting from the machine

use as stand alone module

test/elf/test_hello.rb

@@ -6,7 +6,7 @@ class HelloTest < MiniTest::Test
   def check
     machine = Register.machine.boot
     Typed.compile( @input )
-    objects = machine.collect_space
+    objects = Register::Collector.collect_space
     machine.translate_arm
     writer = Elf::ObjectWriter.new(machine , objects )
     writer.save "test/hello.o"

test/elf/test_zero.rb

@@ -10,7 +10,7 @@ class TestZeroCode < MiniTest::Test
         type.remove_method(method) unless keeper(method)
       end
     end
-    @objects = @machine.collect_space
+    @objects = Register::Collector.collect_space
   end
   def keeper name
     name == :main or name == :__init__