Fix - deduplicate config

Author: ondrejmirtes

conf/config.neon

@@ -1487,9 +1487,6 @@ services:
 		tags:
 			- phpstan.dynamicFunctionThrowTypeExtension
 
-	-
-		class: PHPStan\Type\Php\PregMatchTypeSpecifyingExtension
-
 	-
 		class: PHPStan\Type\Php\PregMatchTypeSpecifyingExtension
 		tags:
@@ -1500,9 +1497,6 @@ services:
 		tags:
 			- phpstan.functionParameterOutTypeExtension
 
-	-
-		class: PHPStan\Type\Php\PregMatchParameterOutTypeExtension
-
 	-
 		class: PHPStan\Type\Php\RegexArrayShapeMatcher