❓ SamplesColumnsProvider -- simplify the related component

[nicolay-r]

#464 and #465 might be no longer relevant.

• The only spot where we utilize the columns is here: (No longer applicable for 0.25.2)
  

  AREkit/arekit/contrib/utils/serializer.py

  Line 24 in 0b18295

  columns_provider=SampleColumnsProvider(store_labels=keep_labels),

• That would results in obsolence of repository: (No longer applicable for 0.25.2)
  

  AREkit/arekit/common/data/input/repositories/sample.py

  Line 10 in 0b18295

  class BaseInputSamplesRepository(BaseInputRepository):

• Do we need the related parameter?
  

  AREkit/arekit/common/data/storages/base.py

  Line 37 in 0b18295

  def find_first_by_value(self, column_name, value):

[nicolay-r]

This issue is no longer applicable in 0.25.2