Update composer

composer.json

@@ -25,13 +25,12 @@
         "league/flysystem-aws-s3-v3": "~1.0",
         "league/flysystem-cached-adapter": "~1.0",
         "moontoast/math": "^1.1",
-        "phpseclib/phpseclib": "~2.0",
         "pbmedia/laravel-ffmpeg": "3.0.0",
+        "phpseclib/phpseclib": "~2.0",
         "pixelfed/bacon-qr-code": "^3.0",
         "pixelfed/dotenv-editor": "^2.0",
         "pixelfed/fractal": "^0.18.0",
         "pixelfed/google2fa": "^4.0",
-        "pixelfed/http-signatures-guzzlehttp": "^4.0",
         "pixelfed/zttp": "^0.4",
         "predis/predis": "^1.1",
         "spatie/laravel-backup": "^5.0.0",
@@ -39,8 +38,6 @@
         "stevebauman/purify": "2.0.*"
     },
     "require-dev": {
-        "barryvdh/laravel-debugbar": "^3.1",
-        "beyondcode/laravel-er-diagram-generator": "^0.2.2",
         "filp/whoops": "^2.0",
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",