remove the empty return for cssr

[Zuhal-Ayob]

Work done

Tests

Does this PR include tests for the changes introduced?

• Yes
• No, I found it difficult to test
• No, they are not required for this change

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (7e4df0e) 51.95% compared to head (9b18adf) 51.96%.

Files	Patch %	Lines
server/models/classes/establishment.js	28.57%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             live    #6000   +/-   ##
=======================================
  Coverage   51.95%   51.96%           
=======================================
  Files        1141     1141           
  Lines       37928    37926    -2     
  Branches     5039     5039           
=======================================
+ Hits        19707    19708    +1     
+ Misses      13824    13821    -3     
  Partials     4397     4397           

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[Jonopono123]

Good stuff