Shorten AlwaysRememberedExpr PHPDoc to be generic about its purpose

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: 2 people

src/Node/Expr/AlwaysRememberedExpr.php

@@ -7,20 +7,7 @@
 use PHPStan\Node\VirtualNode;
 use PHPStan\Type\Type;
 
-/**
- * Wraps an expression so its type is remembered in the scope even when
- * `rememberPossiblyImpureFunctionValues` is false.
- *
- * TypeSpecifier::createForExpr() returns empty SpecifiedTypes for impure
- * function calls when that setting is off. Wrapping the call in this node
- * bypasses that check (since AlwaysRememberedExpr is not a FuncCall) while
- * MutatingScope::specifyExpressionType() propagates the type to the inner
- * expression as well.
- *
- * Used for function calls whose result should always participate in type
- * narrowing regardless of purity — e.g. class_exists() guards that gate
- * "class not found" errors.
- */
+/** Wraps an expression so its type is always remembered in the scope, bypassing impurity checks. */
 final class AlwaysRememberedExpr extends Expr implements VirtualNode
 {