Manifest in avro-1.7.6 vs Manifest in avro-1.7.7

@@ -2,10 +2,9 @@
 Manifest
 Rakefile
 avro.gemspec
 interop/test_interop.rb
 lib/avro.rb
-lib/avro/collect_hash.rb
 lib/avro/data_file.rb
 lib/avro/io.rb
 lib/avro/ipc.rb
 lib/avro/protocol.rb
 lib/avro/schema.rb