Remove spark-sql-application

[rupal-bq]

Description

• Moving spark sql application to opensearch-spark repo Moving spark-sql-application  opensearch-spark#13

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[Yury-Fridlyand]

Link you posted is inaccessible. That repo is private.
I'll be glad if you can share here more details for reference.

[rupal-bq]

Link you posted is inaccessible. That repo is private. I'll be glad if you can share here more details for reference.

Spark-sql-application depends on a flint integration which is in other repo. Moving this application there so all spark related component will be at place.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.42%. Comparing base (31b2b28) to head (b3fa1dd).
Report is 311 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1916   +/-   ##
=========================================
  Coverage     97.42%   97.42%           
  Complexity     4647     4647           
=========================================
  Files           408      408           
  Lines         11526    11526           
  Branches        839      839           
=========================================
  Hits          11229    11229           
  Misses          290      290           
  Partials          7        7           

Flag	Coverage Δ
sql-engine	97.42% <ø> (ø)

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