Remove packages that we no longer need

composer.json

@@ -3,29 +3,7 @@
         "vendor-dir": "vendor/composer"
     },
     "require": {
-        "simple-cas/simple-cas": "dev-master",
-        "pear-pear.php.net/HTTP_Request2": "*",
-        "tedivm/stash": "0.12.*",
-        "unl/unl_cache_lite": "0.1.*",
         "unl/php-wdn-templates": "^4.1"
     },
-    "repositories": [
-        {
-            "type": "vcs",
-            "url": "https://github.com/saltybeagle/SimpleCAS.git"
-        },
-        {
-            "type": "pear",
-            "url": "http://pear.php.net"
-        },
-        {
-          "type": "vcs",
-          "url": "https://github.com/unl/phpdwtparser.git"
-        },
-        {
-          "type": "vcs",
-          "url": "https://github.com/unlpear/UNL_Cache_Lite.git"
-        }
-    ],
     "prefer-stable": true
 }
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