chore: remove psalm

Author: simPod

.gitattributes

@@ -16,6 +16,4 @@ phpbench.json export-ignore
 phpstan.neon.dist export-ignore
 phpstan-baseline.neon export-ignore
 phpunit.xml.dist export-ignore
-psalm.xml.dist export-ignore
-psalm-baseline.xml export-ignore
 renovate.json export-ignore

.gitignore

@@ -3,6 +3,5 @@
 composer.lock
 composer.phar
 phpstan.neon
-psalm.xml
 vendor
 .idea

composer.json

@@ -25,13 +25,11 @@
     "phpstan/phpstan-phpunit": "1.2.2",
     "phpstan/phpstan-strict-rules": "1.4.4",
     "phpunit/phpunit": "^9.5",
-    "psalm/plugin-phpunit": "^0.17",
     "psr/http-message": "^1",
     "react/promise": "^2",
     "symfony/polyfill-php81": "^1.23",
     "symfony/var-exporter": "^5 || ^6",
-    "thecodingmachine/safe": "^1.3",
-    "vimeo/psalm": "^4.19"
+    "thecodingmachine/safe": "^1.3"
   },
   "suggest": {
     "psr/http-message": "To use standard GraphQL server",
@@ -59,12 +57,11 @@
     "sort-packages": true
   },
   "scripts": {
-    "baseline": "phpstan --generate-baseline && psalm --set-baseline",
     "bench": "phpbench run",
     "check": "composer fix && composer stan && composer test",
     "docs": "php generate-class-reference.php",
     "fix": "php-cs-fixer fix",
-    "stan": "phpstan && psalm",
+    "stan": "phpstan",
     "test": "phpunit"
   }
 }