Resolve "Remove schema_inconsistencies table"

What does this MR do and why?

In this merge request, we are removing the schema_inconsistencies. We have already removed the model class.

!126299 (merged)

bundle exec rake db:migrate:up:main VERSION=20230802090519
main: == [advisory_lock_connection] object_id: 247100, pg_backend_pid: 25496
main: == 20230802090519 DropSchemaInconsistenciesTable: migrating ===================
main: -- drop_table(:schema_inconsistencies)
main:    -> 0.0018s
main: == 20230802090519 DropSchemaInconsistenciesTable: migrated (0.0055s) ==========

bundle exec rake db:migrate:down:main VERSION=20230802090519
main: == [advisory_lock_connection] object_id: 261000, pg_backend_pid: 24950
main: == 20230802090519 DropSchemaInconsistenciesTable: reverting ===================
main: -- create_table(:schema_inconsistencies)
main: -- quote_column_name(:object_name)
main:    -> 0.0000s
main: -- quote_column_name(:table_name)
main:    -> 0.0000s
main: -- quote_column_name(:valitador_name)
main:    -> 0.0000s
main: -- quote_column_name(:diff)
main:    -> 0.0000s
main:    -> 0.0057s
main: == 20230802090519 DropSchemaInconsistenciesTable: reverted (0.0179s) ==========

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Related to #390856 (closed)