Revert "Don't export to collections for all workers with unsupported distrib training"

[NihalHarish]

Reverts #263

[codecov-commenter]

Codecov Report

Merging #264 into master will increase coverage by 15.15%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           master     #264       +/-   ##
===========================================
+ Coverage   50.32%   65.47%   +15.15%     
===========================================
  Files          81       81               
  Lines        5957     5953        -4     
===========================================
+ Hits         2998     3898      +900     
+ Misses       2959     2055      -904     

Impacted Files	Coverage Δ
smdebug/core/hook.py	91.75% <0.00%> (+2.13%)	⬆️
smdebug/core/tfevent/event_file_writer.py	93.75% <0.00%> (+1.25%)	⬆️
smdebug/core/json_config.py	95.93% <0.00%> (+1.62%)	⬆️
smdebug/core/collection.py	87.27% <0.00%> (+1.81%)	⬆️
smdebug/core/tfevent/index_file_writer.py	92.72% <0.00%> (+1.81%)	⬆️
smdebug/core/tfrecord/record_reader.py	78.00% <0.00%> (+2.00%)	⬆️
smdebug/core/tfevent/events_writer.py	93.18% <0.00%> (+2.27%)	⬆️
smdebug/core/tfrecord/record_writer.py	95.00% <0.00%> (+2.50%)	⬆️
smdebug/core/utils.py	83.50% <0.00%> (+3.60%)	⬆️
... and 31 more

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