In order to bump minBinary to V22_2, we ignored failing tests for future async removal/fixing

• issue: clusterversion: bump binaryMinSupportedVersion to 22.2 #95530
• pr: clusterversion: bump minBinary to 22.2 #96656

This issue is to track removing/fixing tests as needed for SQL Schema:

pkg/sql

• TestGatingCreateFunction (SQL Schema)

pkg/upgrade/upgrades: (SQL Schema)

• TestAlterSystemSqlInstancesTable
• TestAlterSystemStatementStatisticsTable
• TestIsAtLeastVersionBuiltin -- looks like just delete the test, but let's ask @yuzefovich
  • Yahor: yeah, just delete this test
• TestSampledStmtDiagReqsMigration -- this is related to kv: remove V22_2 gates and related logic/migrations/etc #96765; not our work
• TestSchemaTelemetrySchedule -- unskip after upgrades: make the schema telemetry job setup permanent #98690
• TestWaitForSchemaChangeMigration -- looks like can delete the test, but let's ask @stevendanna
• TestWaitForSchemaChangeMigrationSynthetic -- looks like can delete the test, but let's ask @stevendanna

Jira issue: CRDB-24309