Remove unused CodeObject#each_parent

Author: st0012

lib/rdoc/code_object.rb

@@ -216,20 +216,6 @@ def done_documenting=(value)
     @document_children = @document_self
   end
 
-  ##
-  # Yields each parent of this CodeObject.  See also
-  # RDoc::ClassModule#each_ancestor
-
-  def each_parent
-    code_object = self
-
-    while code_object = code_object.parent do
-      yield code_object
-    end
-
-    self
-  end
-
   ##
   # File name where this CodeObject was found.
   #

test/rdoc/test_rdoc_code_object.rb

@@ -201,16 +201,6 @@ def test_done_documenting
     refute @co.done_documenting
   end
 
-  def test_each_parent
-    parents = []
-
-    @parent_m.each_parent do |code_object|
-      parents << code_object
-    end
-
-    assert_equal [@parent, @xref_data], parents
-  end
-
   def test_file_name
     assert_nil @co.file_name