[BCB] Remove Scope::isSpecified()

Author: ondrejmirtes

UPGRADING.md

@@ -245,3 +245,4 @@ Instead of `PHPStanTestCase::createBroker()`, call `PHPStanTestCase::createRefle
 * Remove `PropertyTag::getType()`, use `getReadableType()` / `getWritableType()` instead
 * Remove `GenericTypeVariableResolver`, use [`Type::getTemplateType()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getTemplateType) instead
 * Rename `Type::isClassStringType()` to `Type::isClassString()`
+* Remove `Scope::isSpecified()`, use `hasExpressionType()` instead

src/Analyser/MutatingScope.php

@@ -2781,15 +2781,6 @@ public function getTypeFromValue($value): Type
 		return ConstantTypeHelper::getTypeFromValue($value);
 	}
 
-	/**
-	 * @api
-	 * @deprecated use hasExpressionType instead
-	 */
-	public function isSpecified(Expr $node): bool
-	{
-		return !$node instanceof Variable && $this->hasExpressionType($node)->yes();
-	}
-
 	/** @api */
 	public function hasExpressionType(Expr $node): TrinaryLogic
 	{

src/Analyser/Scope.php

@@ -105,9 +105,6 @@ public function resolveTypeByName(Name $name): TypeWithClassName;
 	 */
 	public function getTypeFromValue($value): Type;
 
-	/** @deprecated use hasExpressionType instead */
-	public function isSpecified(Expr $node): bool;
-
 	public function hasExpressionType(Expr $node): TrinaryLogic;
 
 	public function isInClassExists(string $className): bool;