Remove UnifyCaptureLocationTask flag and associated logic

[shobhitagarwal1612]

Towards #3148

This PR removes the boolean flag added for guarding the unify task related changes.
This is no longer needed as a new task type has been introduced instead.

@anandwana001 PTAL?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.96%. Comparing base (7bf7b2d) to head (a837fbe).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3424      +/-   ##
============================================
+ Coverage     69.92%   69.96%   +0.04%     
  Complexity     1599     1599              
============================================
  Files           319      319              
  Lines          8598     8587      -11     
  Branches        949      945       -4     
============================================
- Hits           6012     6008       -4     
+ Misses         2010     2005       -5     
+ Partials        576      574       -2     

Files with missing lines	Coverage Δ
...droid/ui/datacollection/DataCollectionViewModel.kt	79.04% <100.00%> (+0.07%)	⬆️
...tacollection/tasks/point/DropPinTaskMapFragment.kt	9.52% <ø> (+1.52%)	⬆️
...datacollection/tasks/point/DropPinTaskViewModel.kt	87.87% <ø> (+4.54%)	⬆️

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