Remove outdated comment about MySQL

Author: federicobond

instrumentation/opentelemetry-instrumentation-django/src/opentelemetry/instrumentation/django/middleware/sqlcommenter_middleware.py

@@ -115,10 +115,4 @@ def __call__(self, execute: Type[T], sql, params, many, context) -> T:
             **_get_opentelemetry_values() if with_opentelemetry else {},
         )
 
-        # TODO: MySQL truncates logs > 1024B so prepend comments
-        # instead of statements, if the engine is MySQL.
-        # See:
-        #  * https://github.com/basecamp/marginalia/issues/61
-        #  * https://github.com/basecamp/marginalia/pull/80
-
         return execute(sql, params, many, context)