chore: remove psalm static analysis

Removes Psalm and its WordPress plugin from development dependencies, scripts, and GrumPHP configuration. The associated psalm.xml.dist configuration file has also been deleted as the project moves away from this tool for static analysis.

Author: firestar300

composer.json

@@ -2,14 +2,20 @@
 	"name": "beapi/blockparty-iframe",
 	"description": "Add a block to display an embedded frame in the WordPress editor.",
 	"type": "wordpress-plugin",
-	"keywords": ["wordpress", "plugin", "block", "iframe", "editor"],
+	"keywords": [
+		"wordpress",
+		"plugin",
+		"block",
+		"iframe",
+		"editor"
+	],
 	"license": "GPL-2.0-or-later",
 	"authors": [
 		{
 			"name": "BeAPI",
 			"email": "technical@beapi.fr",
-			"homepage":"https://beapi.fr",
-			"role":"Company"
+			"homepage": "https://beapi.fr",
+			"role": "Company"
 		}
 	],
 	"config": {
@@ -32,29 +38,24 @@
 	},
 	"require-dev": {
 		"dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
-		"humanmade/psalm-plugin-wordpress": "^2.0",
 		"php-parallel-lint/php-parallel-lint": "^1.3",
 		"phpcompatibility/php-compatibility": "^9.3",
 		"phpro/grumphp-shim": "^1.5",
 		"roave/security-advisories": "dev-latest",
 		"roots/wordpress-no-content": "^6.0",
 		"squizlabs/php_codesniffer": "^3.7",
-		"vimeo/psalm": "~4.23.0",
 		"wp-cli/wp-cli": "^2.6",
 		"wp-coding-standards/wpcs": "^3.0"
 	},
-	"autoload-dev": {
-	},
+	"autoload-dev": {},
 	"scripts": {
 		"cs": "./vendor/bin/phpcs",
 		"cb": "./vendor/bin/phpcbf",
-		"psalm": "./vendor/bin/psalm",
 		"phpunit": "phpunit"
 	},
 	"scripts-descriptions": {
 		"cs": "Run PHP CodeSniffer on codebase using custom ruleset.",
 		"cb": "Run PHP Code Beautifier and Fixer on codebase using custom ruleset.",
-		"psalm": "Run psalm on codebase using custom ruleset.",
 		"phpunit": "Run PHP unit tests."
 	}
 }