Drop Psalm (#76)

We are going to rely solely on PHPStan.

.gitattributes

@@ -8,4 +8,3 @@
 /phpunit.xml.dist export-ignore
 /phpcs.xml.dist export-ignore
 /phpstan.neon.dist export-ignore
-/psalm.xml export-ignore

.github/workflows/static-analysis.yml

@@ -11,4 +11,4 @@ on:
 jobs:
   static-analysis:
     name: "Static Analysis"
-    uses: "doctrine/.github/.github/workflows/static-analysis.yml@5.3.0"
+    uses: "doctrine/.github/.github/workflows/phpstan.yml@5.3.0"

composer.json

@@ -44,8 +44,7 @@
         "doctrine/coding-standard": "^12",
         "phpdocumentor/guides-cli": "^1.4",
         "phpstan/phpstan": "^1.8.8",
-        "phpunit/phpunit": "^10.5",
-        "vimeo/psalm": "^5.24"
+        "phpunit/phpunit": "^10.5"
     },
     "conflict": {
         "doctrine/common": "<2.9"

psalm-baseline.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="5.24.0@462c80e31c34e58cc4f750c656be3927e80e550e">
-  <file src="src/EventManager.php">
-    <RiskyTruthyFalsyComparison>
-      <code><![CDATA[empty($this->listeners[$event])]]></code>
-    </RiskyTruthyFalsyComparison>
-  </file>
-</files>

psalm.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0"?>
-<psalm
-    errorLevel="2"
-    resolveFromConfigFile="true"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns="https://getpsalm.org/schema/config"
-    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
-    findUnusedBaselineEntry="true"
-    findUnusedCode="false"
-    errorBaseline="psalm-baseline.xml"
->
-    <projectFiles>
-        <directory name="src" />
-        <ignoreFiles>
-            <directory name="vendor" />
-        </ignoreFiles>
-    </projectFiles>
-</psalm>