phpstan: green on level 6, minus iterable types

iterable types are a big pain in the ass because of pthreads' awful architecture, and there's nothing I can do about that without BC-breaking changes to pthreads.

phpstan.neon.dist

@@ -2,13 +2,12 @@ includes:
 	- tests/phpstan/configs/com-dotnet-magic.neon
 	- tests/phpstan/configs/custom-leveldb.neon
 	- tests/phpstan/configs/gc-hacks.neon
-	- tests/phpstan/configs/gradual-level6.neon
 	- tests/phpstan/configs/phpstan-bugs.neon
 	- tests/phpstan/configs/pthreads-bugs.neon
 	- tests/phpstan/configs/runtime-type-checks.neon
 
 parameters:
-	level: 5
+	level: 6
 	autoload_files:
 		- tests/phpstan/bootstrap.php
 		- src/pocketmine/PocketMine.php
@@ -20,6 +19,7 @@ parameters:
 		- pocketmine\IS_DEVELOPMENT_BUILD
 		- pocketmine\DEBUG
 	reportUnmatchedIgnoredErrors: false #no other way to silence platform-specific non-warnings
+	checkMissingIterableValueType: false #TODO: pthreads Threaded base for too many things, fix this later
 	ignoreErrors:
 		-
 			message: "#^Cannot instantiate interface pocketmine\\\\level\\\\format\\\\io\\\\LevelProvider\\.$#"

tests/phpstan/configs/gradual-level6.neon

@@ -1,12 +0,0 @@
-parameters:
-	checkGenericClassInNonGenericObjectType: true
-	#checkMissingIterableValueType: true
-	checkMissingVarTagTypehint: true
-	checkMissingTypehints: true
-
-rules:
-	- PHPStan\Rules\Functions\MissingFunctionParameterTypehintRule
-	- PHPStan\Rules\Functions\MissingFunctionReturnTypehintRule
-	- PHPStan\Rules\Methods\MissingMethodParameterTypehintRule
-	- PHPStan\Rules\Methods\MissingMethodReturnTypehintRule
-	- PHPStan\Rules\Properties\MissingPropertyTypehintRule