Merge branch refs/heads/1.12.x into 2.0.x

Author: phpstan-bot

src/Type/Generic/TemplateTypeVariance.php

@@ -6,7 +6,6 @@
 use PHPStan\ShouldNotHappenException;
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\BenevolentUnionType;
-use PHPStan\Type\IsSuperTypeOfResult;
 use PHPStan\Type\MixedType;
 use PHPStan\Type\NeverType;
 use PHPStan\Type\Type;