Remove unnecessary code

[anandwana001]

Fixes #2941

@shobhitagarwal1612 PTAL?

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 62.52%. Comparing base (a8cbc36) to head (4e6745f).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...android/ground/model/submission/DropPinTaskData.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #2942   +/-   ##
=========================================
  Coverage     62.52%   62.52%           
  Complexity     1203     1203           
=========================================
  Files           267      267           
  Lines          6357     6357           
  Branches        881      880    -1     
=========================================
  Hits           3975     3975           
  Misses         1831     1831           
  Partials        551      551           

Files with missing lines	Coverage Δ
...android/ground/model/submission/DropPinTaskData.kt	40.00% <0.00%> (ø)