remove tagless for sst file

[Nicole00]

test process using basketball player vertex data:

1. generate sst files
2. download & ingest
3. query vertex with match (v) where id(v) == "player100" return id(v), there is some result for player100
4. drop tag player
5. query vertex with match (v) where id(v) == "player100" return id(v), there is no result for player100

[Nicole00]

@shanlai please feel free to test it, thanks

[codecov-commenter]

Codecov Report

Base: 55.42% // Head: 55.42% // No change to project coverage 👍

Coverage data is based on head (eeab08e) compared to base (4edf6ce).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #98   +/-   ##
=========================================
  Coverage     55.42%   55.42%           
  Complexity       81       81           
=========================================
  Files            17       17           
  Lines          1411     1411           
  Branches        267      267           
=========================================
  Hits            782      782           
  Misses          489      489           
  Partials        140      140           

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