[Removing] Deprecate RemoveTraitUseRector as niche, never used and needs context

Author: TomasVotruba

phpstan.neon

@@ -236,7 +236,6 @@ parameters:
             identifier: rector.registerRector
             paths:
                 - rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php
-                - rules/Removing/Rector/Class_/RemoveTraitUseRector.php
                 - rules/Transform/Rector/String_/StringToClassConstantRector.php
 
         # lack of generic array in nikic/php-parser

rules-tests/Removing/Rector/Class_/RemoveTraitUseRector/Fixture/fixture.php.inc

@@ -7,23 +7,18 @@
 use PhpParser\Node;
 use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\Trait_;
-use PhpParser\Node\Stmt\TraitUse;
+use Rector\Configuration\Deprecation\Contract\DeprecatedInterface;
 use Rector\Contract\Rector\ConfigurableRectorInterface;
+use Rector\Exception\ShouldNotHappenException;
 use Rector\Rector\AbstractRector;
 use Rector\RuleDoc\CodeSample\ConfiguredCodeSample;
 use Rector\RuleDoc\RuleDefinition;
-use Webmozart\Assert\Assert;
 
 /**
- * @see \Rector\Tests\Removing\Rector\Class_\RemoveTraitUseRector\RemoveTraitUseRectorTest
+ * @deprecated This rule is deprecated, as too niche, never used and needs project context. Write a custom rule for the exact project case instead.
  */
-final class RemoveTraitUseRector extends AbstractRector implements ConfigurableRectorInterface
+final class RemoveTraitUseRector extends AbstractRector implements ConfigurableRectorInterface, DeprecatedInterface
 {
-    /**
-     * @var string[]
-     */
-    private array $traitsToRemove = [];
-
     public function getRuleDefinition(): RuleDefinition
     {
         return new RuleDefinition('Remove specific traits from code', [
@@ -59,42 +54,16 @@ public function getNodeTypes(): array
      */
     public function refactor(Node $node): ?Node
     {
-        $hasChanged = false;
-
-        foreach ($node->stmts as $key => $stmt) {
-            if (! $stmt instanceof TraitUse) {
-                continue;
-            }
-
-            foreach ($stmt->traits as $traitKey => $trait) {
-                if (! $this->isNames($trait, $this->traitsToRemove)) {
-                    continue;
-                }
-
-                unset($stmt->traits[$traitKey]);
-                $hasChanged = true;
-            }
-
-            // remove empty trait uses
-            if ($stmt->traits === []) {
-                unset($node->stmts[$key]);
-            }
-        }
-
-        if ($hasChanged) {
-            return $node;
-        }
-
-        return null;
+        throw new ShouldNotHappenException(sprintf(
+            '"%s" rule is deprecated, as too niche and part of no set; write a custom rule for the exact project case instead',
+            self::class
+        ));
     }
 
     /**
      * @param mixed[] $configuration
      */
     public function configure(array $configuration): void
     {
-        Assert::allString($configuration);
-
-        $this->traitsToRemove = $configuration;
     }
 }