[source-mysql] Troubleshooting documentation references PostgreSQL instead of MySQL

[joeybenamy]

Page URL

https://docs.airbyte.com/integrations/sources/mysql/mysql-troubleshooting#under-cdc-incremental-mode-there-are-still-full-refresh-syncs

Description

This section is for troubleshooting MySQL but it discusses PostgreSQL and WAL logs. These are not relevant for troubleshooting MySQL.