remove all existing multiprocessing

allennlp/data/dataset_readers/__init__.py

@@ -17,7 +17,6 @@
 from allennlp.data.dataset_readers.interleaving_dataset_reader import InterleavingDatasetReader
 from allennlp.data.dataset_readers.masked_language_modeling import MaskedLanguageModelingReader
 from allennlp.data.dataset_readers.next_token_lm import NextTokenLmReader
-from allennlp.data.dataset_readers.multiprocess_dataset_reader import MultiprocessDatasetReader
 from allennlp.data.dataset_readers.penn_tree_bank import PennTreeBankConstituencySpanDatasetReader
 from allennlp.data.dataset_readers.semantic_role_labeling import SrlReader
 from allennlp.data.dataset_readers.semantic_dependency_parsing import (

allennlp/data/iterators/__init__.py

@@ -7,6 +7,5 @@
 from allennlp.data.iterators.basic_iterator import BasicIterator
 from allennlp.data.iterators.bucket_iterator import BucketIterator
 from allennlp.data.iterators.homogeneous_batch_iterator import HomogeneousBatchIterator
-from allennlp.data.iterators.multiprocess_iterator import MultiprocessIterator
 from allennlp.data.iterators.pass_through_iterator import PassThroughIterator
 from allennlp.data.iterators.same_language_iterator import SameLanguageIterator