drop un-used, un-tested config variants

core/config.php

@@ -241,59 +241,6 @@ abstract class BaseConfig implements Config
 }
 
 
-/**
- * Class HardcodeConfig
- *
- * For testing, mostly.
- */
-class HardcodeConfig extends BaseConfig
-{
-    public function __construct(array $dict)
-    {
-        $this->values = $dict;
-    }
-
-    public function save(string $name=null): void
-    {
-        // static config is static
-    }
-}
-
-
-/**
- * Class StaticConfig
- *
- * Loads the config list from a PHP file; the file should be in the format:
- *
- *  <?php
- *  $config['foo'] = "bar";
- *  $config['baz'] = "qux";
- *  ?>
- */
-class StaticConfig extends BaseConfig
-{
-    public function __construct(string $filename)
-    {
-        if (file_exists($filename)) {
-            $config = [];
-            require_once $filename;
-            if (!empty($config)) {
-                $this->values = $config;
-            } else {
-                throw new ScoreException("Config file '$filename' doesn't contain any config");
-            }
-        } else {
-            throw new ScoreException("Config file '$filename' missing");
-        }
-    }
-
-    public function save(string $name=null): void
-    {
-        // static config is static
-    }
-}
-
-
 /**
  * Class DatabaseConfig
  *
@@ -389,16 +336,3 @@ class DatabaseConfig extends BaseConfig
         $cache->set("config", $this->values);
     }
 }
-
-/**
- * Class MockConfig
- */
-class MockConfig extends HardcodeConfig
-{
-    public function __construct(array $config=[])
-    {
-        $config["db_version"] = "999";
-        $config["anon_id"] = "0";
-        parent::__construct($config);
-    }
-}