[TASK] Avoid resolved phpstan finding (#695)

Author: lolli42

Build/phpstan/phpstan-baseline.neon

@@ -24,12 +24,6 @@ parameters:
 			count: 1
 			path: ../../Classes/Core/Functional/Framework/Constraint/RequestSection/HasRecordConstraint.php
 
-		-
-			message: '#^Call to function property_exists\(\) with TYPO3\\CMS\\Core\\DataHandling\\DataHandler and ''copyTree'' will always evaluate to true\.$#'
-			identifier: function.alreadyNarrowedType
-			count: 1
-			path: ../../Classes/Core/Functional/Framework/DataHandling/Scenario/DataHandlerWriter.php
-
 		-
 			message: '#^Call to static method PHPUnit\\Framework\\Assert\:\:assertTrue\(\) with true will always evaluate to true\.$#'
 			identifier: staticMethod.alreadyNarrowedType