Remove obsolete WP Status.net plugin

Fixes issue #32.

composer.json

@@ -42,7 +42,6 @@
         "wpackagist-plugin/disable-emojis": "1.7.4",
         "wpackagist-plugin/wp-super-cache": "1.7.7",
         "wpackagist-plugin/wp-piwik": "1.0.27",
-        "wpackagist-plugin/wp-statusnet": "1.4.2",
         "wpackagist-plugin/wp-syntax": "1.1",
         "wpackagist-theme/azul": "1.51",
         "wpackagist-theme/bliss": "1.2.0",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6abe60757b8819728835a9d6b34e503c",
+    "content-hash": "9bc6ad853aed5f68fb1fa2b0e940af97",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -1321,24 +1321,6 @@
             "type": "wordpress-plugin",
             "homepage": "https://wordpress.org/plugins/wp-piwik/"
         },
-        {
-            "name": "wpackagist-plugin/wp-statusnet",
-            "version": "1.4.2",
-            "source": {
-                "type": "svn",
-                "url": "https://plugins.svn.wordpress.org/wp-statusnet/",
-                "reference": "tags/1.4.2"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/wp-statusnet.1.4.2.zip"
-            },
-            "require": {
-                "composer/installers": "^1.0 || ^2.0"
-            },
-            "type": "wordpress-plugin",
-            "homepage": "https://wordpress.org/plugins/wp-statusnet/"
-        },
         {
             "name": "wpackagist-plugin/wp-super-cache",
             "version": "1.7.7",