[7.0] Remove remaining deprecated code paths

Author: nicolas-grekas

CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Add method `isNullSafe()` to `PropertyPathInterface`
+ * Require explicit argument when calling `PropertyAccessorBuilder::setCacheItemPool()`
 
 6.3
 ---

PropertyAccessor.php

@@ -290,14 +290,7 @@ private function readPropertiesUntil(array $zval, PropertyPathInterface $propert
         for ($i = 0; $i < $lastIndex; ++$i) {
             $property = $propertyPath->getElement($i);
             $isIndex = $propertyPath->isIndex($i);
-
-            $isNullSafe = false;
-            if (method_exists($propertyPath, 'isNullSafe')) {
-                // To be removed in symfony 7 once we are sure isNullSafe is always implemented.
-                $isNullSafe = $propertyPath->isNullSafe($i);
-            } else {
-                trigger_deprecation('symfony/property-access', '6.2', 'The "%s()" method in class "%s" needs to be implemented in version 7.0, not defining it is deprecated.', 'isNullSafe', PropertyPathInterface::class);
-            }
+            $isNullSafe = $propertyPath->isNullSafe($i);
 
             if ($isIndex) {
                 // Create missing nested arrays on demand

PropertyAccessorBuilder.php

@@ -239,11 +239,8 @@ public function isExceptionOnInvalidPropertyPath(): bool
      *
      * @return $this
      */
-    public function setCacheItemPool(CacheItemPoolInterface $cacheItemPool = null): static
+    public function setCacheItemPool(?CacheItemPoolInterface $cacheItemPool): static
     {
-        if (1 > \func_num_args()) {
-            trigger_deprecation('symfony/property-access', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
-        }
         $this->cacheItemPool = $cacheItemPool;
 
         return $this;

composer.json

@@ -17,7 +17,6 @@
     ],
     "require": {
         "php": ">=8.2",
-        "symfony/deprecation-contracts": "^2.5|^3",
         "symfony/property-info": "^6.4|^7.0"
     },
     "require-dev": {