Revert "first pass to fix issue #13 -- pass through IO-type objects t…

…hat can't be IO#read properly (because they are too large?)"

This reverts commit cff91ce -- turns
out rest-client suffers from the same ruby feature, so this trickery
doesn't actually buy us anything after all?

lib/rubydora/datastream.rb

@@ -118,10 +118,7 @@ def content
       rescue RestClient::ResourceNotFound
       end
 
-      if @content.kind_of? IO
-        content = @content.read and @content.rewind rescue nil
-      end
-
+      content = @content.read and @content.rewind if @content.kind_of? IO
       content ||= @content
     end
     alias_method :read, :content

spec/lib/datastream_spec.rb

@@ -152,16 +152,6 @@
 
     end
 
-    it "should pass-through IO-type content if reading the content fails" do
-      @mock_io = File.open('rubydora.gemspec')
-      @mock_io.should_receive(:read).and_raise('Rubydora #13-style read-error.')
-
-      @datastream.content = @mock_io
-
-      @datastream.content.should == @mock_io
-
-    end
-
 
   end