Revert "Fix phpstan/phpstan#7088: Accessing SimpleXMLElement nodes using braces gives mixed type (#5406)"

This reverts commit 85b4f24.

Author: ondrejmirtes

src/Analyser/ExprHandler/PropertyFetchHandler.php

@@ -33,14 +33,6 @@
 final class PropertyFetchHandler implements ExprHandler
 {
 
-	/**
-	 * Representative property name used when resolving dynamic property access ($obj->{$expr}).
-	 * The actual name doesn't matter — it just needs to be non-empty so that
-	 * PropertiesClassReflectionExtensions (e.g. SimpleXMLElement) that accept
-	 * any property name can return the correct type.
-	 */
-	private const DYNAMIC_PROPERTY_NAME = '__phpstan_dynamic_property';
-
 	public function __construct(
 		private PhpVersion $phpVersion,
 		private PropertyReflectionFinder $propertyReflectionFinder,
@@ -138,14 +130,6 @@ public function resolveType(MutatingScope $scope, Expr $expr): Type
 			);
 		}
 
-		if ($nameType->isString()->yes()) {
-			$fetchedOnType = $scope->getType($expr->var);
-			$returnType = $this->propertyFetchType($scope, $fetchedOnType, self::DYNAMIC_PROPERTY_NAME, $expr);
-			if ($returnType !== null) {
-				return NullsafeShortCircuitingHelper::getType($scope, $expr->var, $returnType);
-			}
-		}
-
 		return new MixedType();
 	}