Code Clean up, more testing

Remove unused code and classes.
Clean up code to remove all named constant from them and throw
deprecation alerts if used.
Add basic psalm setup in root folder and remove from www folder

www/lib/Test/DB/TestDB.php

@@ -17,9 +17,12 @@ class TestDB
 
 	/**
 	 * Undocumented function
+	 *
+	 * @param \CoreLibs\Debug\Logging $log
 	 */
-	public function __construct()
-	{
+	public function __construct(
+		\CoreLibs\Debug\Logging $log
+	) {
 		$this->config = [
 			'db_name' => $_ENV['DB_NAME_TEST'] ?? '',
 			'db_user' => $_ENV['DB_USER_TEST'] ?? '',
@@ -31,7 +34,10 @@ class TestDB
 			'db_encoding' => '',
 			'db_ssl' => 'allow'
 		];
-		$this->db = new IO($this->config);
+		$this->db = new IO(
+			$this->config,
+			$log
+		);
 	}
 
 	/**