Remove unused Table.rows column & sync code (#12797)

resources/migrations/000_migrations.yaml

src/metabase/api/table.clj

src/metabase/sync/analyze.clj

src/metabase/sync/analyze/table_row_count.clj

test/expectations.clj

test/metabase/api/database_test.clj

test/metabase/api/field_test.clj

test/metabase/api/permissions_test.clj

test/metabase/api/table_test.clj

test/metabase/models/field_values_test.clj

test/metabase/sync/analyze/table_row_count_test.clj

test/metabase/sync_database/analyze_test.clj

test/metabase/sync_database_test.clj